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EQ's

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Parametric-3-Band-EQ-Expansion-Module_Thumb.jpg

Parametric 3 Band EQ Expansion Module
$44.99
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Peavey
Parametric 3 Band EQ Expansion Module

Peavey Debuts Expansion Modules for Powered Enclosures


The Peavey 3-Band Expansion Module expands the powered enclosure’s input options by three input channels, with each channel featuring level control, high and low equalization control, and a combination XLR and ¼” input.

Engineered for superior sound and reliability, the Peavey EU Series and the Impulse 12D combine Peavey’s revolutionary IPR amplifier technology with premium Peavey loudspeakers and innovations including titanium compression drivers, patented Quadratic Throat Waveguide horn and woofer servo circuitry. The new Peavey PVXp 12 and PVXp15 deliver Peavey power and reliability to audio pros and musicians of all levels in durable, injection-molded enclosures.

Features:
  • Compatible with Peavey PVXp, EU and Impulse 12D powered speakers
  • Three frequency bands: Low 40 to 800Hz; Mid 200 to 4kHz; High 1kHz to 20kHz
  • +/- 12 dB boost and cut on each frequency band
  • Q adjustable from 0.1 to 1 on each frequency band
  • Hard-wire bypass
  • Nominal distortion: < 0.01%
  • Hum and noise < -90dBV
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Graphic 9 Band EQ Expansion Module
$49.99
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Peavey
Graphic 9 Band EQ Expansion Module

Peavey Debuts Expansion Modules for Powered Enclosures


The Peavey 9-Band Graphic EQ Expansion Module aids users in controlling feedback using the built-in, patented FLS Feedback Location System, which makes accurate feedback elimination simple and intuitive. The 9-Band module gives users greater control over shaping and accenting live or recorded vocals and live instruments, as well as increases control over general sound equalization, and removes 60 Hz AC hum. The Peavey 3-Band Parametric EQ Expansion Module provides robust fine-tuning capabilities with gain, frequency and bandwidth (Q) control.

Features:
  • Compatible with Peavey PVXp, EU and Impulse 12D powered speakers
  • Nine frequency bands: 63, 125, 250, 500, 2k, 4k, 8k, 16kHz
  • Features Peavey’s patented FLS® Feedback Locating System
  • +/- 15 dB boost and cut
  • Nominal distortion: < 0.01%
  • Hum and noise < -90dBV
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SEQ-2
$61.80
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QSC
SEQ-2

The SEQ-2 is an embedded accessory that provides two independent channels of graphic equalization. Five trimpots on each channel adjust boost and cut, up to ±12 dB, at 40 Hz, 160 Hz, 630 Hz, 2.5 kHz, and 10 kHz. Each band has a Q of 0.75.

Custom frequencies and Q values are available by special order.
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FBQ800
$64.99
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Behringer
Ultra-Compact 9-Band Graphic Equalizer with FBQ

Why do I need an equalizer?
If we all lived in a perfect world, there would be no need for audio equalization. Sound systems would be perfect and would reproduce perfect signals in all their glorious perfection. Also, everyone in that perfect world would like the same amount of bass, midrange and high frequency, and there would be no such thing as feedback. But the world isn’t perfect, is it? Even the best sound system can benefit from the use of a good EQ—like the FBQ800.

How Does it Work?
Imagine the frequency range of the sound you hear as a highway, a very wide one with nine lanes. Each of these “lanes” represents a single octave of the sonic spectrum. The first four lanes, labeled 63 - 500 (Hz) contain the really low frequency sound content, mainly bass, bass vocals, and the kick and tom drums. The three lanes labeled 1 k, 2 k and 4 k (Hz), make up the fundamental zone of most musical instruments and the male and female vocals. 8 k and 16 k cover the frequency range of cymbals, snare drums and higher pitched percussion instruments. The FBQ800 allows you to control the flow of audio traffic in each of these nine lanes. When properly applied, EQ makes it possible to hear all of these frequency ranges equally, thus the term equalization.

Feedback Elimination
When a specifi c frequency, or range of frequencies, reaches too high a level, feedback occurs—that all-too-familiar squeal or howl you get when the mic is too close to the speaker. Basically, feedback happens when there is so much of a particular frequency that it is picked up by the mic and run through the system again. That’s why feedback typically gets louder and louder the longer it’s allowed to occur. Needless to say, this kind of feedback is very undesirable.

This is where the FBQ800’s Feedback Detection System really works its magic. In this ingenious circuitry, LEDs on the individual faders light up when that frequency band is approaching the danger zone. All you need do is lower the illuminated slider until the LED blinks out—voilà, feedback problem solved! What once required a highly trained ear is now an activity that even a child can master.

Sonic Toolkit
That really is the best way to describe the FBQ800. With its nine frequency bands, you easily fine-tune your sound and instantly eliminate feedback. And each fader can be used to boost or cut the frequency range it controls by as much as 12 dB (and that’s a lot!).

Special attention is paid to the low frequency zone. In addition to low frequency faders, the FBQ800 features a Low Cut fi lter for removing unwanted low frequencies such as fl oor rumble, room resonance, electrical hum, etc. This is especially handy if your system is being used for speech rather than music.

To Boost or to Cut, That is the Question
Raising and lowering specific frequency bands can improve the frequency response of any room’s acoustics. For instance, if the room you’re in is “bass-heavy,” lowering the 63 and 125 Hz faders can help eliminate an overall “boomy” or “muddy” sound. Likewise, gently boosting the 8 and 16 k sliders can add sparkle to a somewhat “dark” mix. Are the vocals getting lost in the mix? Raising the level of the 1 k slider can help bring them out.

It’s important to note that raising a single fader level is not always the best solution; it’s often better to lower the bands surrounding the frequency you want to bring out, and then boost the overall volume level to achieve better headroom.

Built for Accuracy and Reliability
Speaking of headroom, FBQ800’s 6-digit LED Input/Output meters and level control are provided for precise level maintenance. Longterm reliability is ensured, thanks to high-quality illuminated faders and switches, and our ultra low-noise audio operational amplifi ers provide outstanding sonic performance. In addition, all Mini Series components may be stacked to create an ultracompact signal processing solution.

Features:
  • Ultra-compact 9.5" graphic equalizer for studio and stage applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as Audio Analyzer
  • Additional Low-cut filter removes unwanted frequencies, e. g. floor rumble
  • Accurate 6-segment LED input/output meters and Level control for precise level indication
  • High-quality illuminated faders, potentiometers and illuminated switches for long-term reliability
  • Ultra-low noise audio operational amplifiers offer outstanding sound performance
  • All Mini Series models can be stacked on top of each other to create an ultra-compact signal processor solution
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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R1 Remote
$75.00
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Bose
R1 remote control

Rugged and easy-to-operate remote control allows performers to control their sound from almost anywhere on stage. Features three-band EQ/volume control for both of the mic/line inputs and a master level control to adjust overall system volume. Includes one loop-and-hook fastener strip for quick mounting to a microphone stand or flat surfaces like keyboards and music stands. (Does not include remote cable. Long or standard remote cables may be purchased separately.)
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FBQ100
$89.99
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Behringer
Automatic Feedback Destroyer with Integrated Microphone Preamp, Delay Line, Noise Gate and Compressor

Looking for feedback control? Maybe you need a compression or noise gate? Or a great DI box for line-level instruments? Whether you use it with microphones, acoustic instruments, or as a delay line for large venue loudspeaker systems, the FBQ100 is a “must-have” for your live and studio toolkit.

Quick and Clean
Thanks to its intelligent “Learn Mode,” the FBQ100 can automatically equalize your PA and protect your sound system from feedback. BEHRINGER’s search algorithm ensures feedback frequencies are attenuated within a fraction of a second, using narrow 1/60 octave single-shot filters. The remaining filters automatically take action as required, adjusting only the specific frequencies causing the feedback, so your music stays powerful and alive.

Beyond Versatile
The adjustable mic preamp, with switchable +48 V phantom power and Ultra-Low Noise technology, guarantees noise-free, ultra-musical sound. You can choose professional studio (+4 dB) or microphone output level, so the FBQ100 can be directly connected to the mic input of a recording device. Virtually any type of signal can be connected and converted.

Delay lines are required to compensate for time variations resulting from speaker positioning in large venues. The FBQ100’s delay can be adjusted in meters, feet or milliseconds. The maximum delay time of 2.5 seconds corresponds to a distance of 850 meters. Combining several FBQ100s with the optional rack-mount kit puts a complete professional loudspeaker management system at your fingertips.

Features:
  • High performance single channel Feedback Destroyer with integrated microphone preamp, delay line, noise gate and compressor
  • Automatically and "intelligently" locates and destroys up to 8 feedback frequencies
  • Narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • Ultra-low noise Mic/Line input with Gain control and +48 V phantom power
  • Delay line with up to 2.5 seconds of delay, adjustable in meters, feet and msec
  • Noise gate with automatic and manual parameter settings
  • Automatic compressor with variable density
  • Subsonic filter with adjustable cut-off frequency
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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GEB-7
$99.00
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Boss

GEB-7

The GEB-7 is a seven-band equalizer created specifically for the frequency range of the electric bass. Since the frequency range extends down to 50Hz, the GEB-7 is also great for adjusting depth and bottom end of an upright bass with pickups.

Features:

  • 50Hz to 10kHz frequency range specifically designed for bass
  • Full range response, even for five- and six-string basses
  • Can be used as a "boost" or "cut" pedal using the level control knob
  • Great for eletric-acoustic bass applications
  • AC adaptor or 9V battery operation
  • BOSS 5-year warranty
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GEQ 215
$99.99
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Nady
GEQ 215 - Equalizers

2-channel
Single rack space
15 2/3rd octave bands each channel

Features:
  • Balanced XLR and ¼” TRS input/output connectors
  • Constant-Q bandwidth from each filter with 3% center frequency accuracy
  • Parallel filter design for minimal phase distortion
  • Ultra low-noise circuitry
  • Low-cut filter at 40Hz, 12dB/octave switchable, with status LED
  • Band range: +/- 12dB gain
  • Equalizer On/Off bypass switch with status LED
  • Center detents on faders and variable input level control (+/- 12dB)
  • Gain status LED bar graph with peak LED
  • Power switch with integral LED On indicator
  • Shielded internal power supply with AC input and selectable line voltage (~115V/60Hz or ~230V/50Hz)
  • Compact and durable all-steel chassis design
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GEQ 131
$99.99
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Nady
GEQ 131 - Equalizers

1-channel
Single rack space
31 1/3rd octave bands each channel

Features:
  • Balanced XLR and ¼” TRS input/output connectors
  • Constant-Q bandwidth from each filter with 3% center frequency accuracy
  • Parallel filter design for minimal phase distortion
  • Ultra low-noise circuitry
  • Low-cut filter at 40Hz, 12dB/octave switchable, with status LED
  • Band range: +/- 12dB gain
  • Equalizer On/Off bypass switch with status LED
  • Center detents on faders and variable input level control (+/- 12dB)
  • Gain status LED bar graph with peak LED
  • Power switch with integral LED On indicator
  • Shielded internal power supply with AC input and selectable line voltage (~115V/60Hz or ~230V/50Hz)
  • Compact and durable all-steel chassis design

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FBQ1502
$108.99
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BEHRINGER
Audiophile 15-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

The ULTRAGRAPH PRO FBQ1502 is a professional, ultra-musical 15-band stereo graphic equalizer that brings the best parts of your sound to the forefront while eliminating feedback.

All the Good Stuff
The FBQ1502 features the amazing, FBQ Feedback Detection System that instantly detects feedback frequencies and can also be used as an audio analyzer, making the FBQ1502 a welcome addition to any touring rack. Another FBQ1502 highlight is its dedicated mono subwoofer output with adjustable crossover frequency that lets you add some extra punch to your music.

Pure, Musical Sound
This incredible rack unit goes the extra mile to make sure you sound your best. An additional low cut filter removes unwanted frequencies such as floor rumble, while a highly accurate 4-digit LED output metering and input gain control let you easily adjust levels. High-quality components abound, such as the ultra low-noise audio operational amplifiers for outstanding sound performance and the servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors. Outstanding reliability is guaranteed with the high-quality illuminated faders, detent potentiometers and illuminated switches.

The ULTRAGRAPH PRO FBQ1502 puts all your music's best attributes in the spotlight, letting your creativity come alive in full swing. Find out what it can do for your sound at your nearest BEHRINGER dealer.

Features:
  • Professional 15-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated mono subwoofer output with adjustable crossover frequency
  • Additional low-cut filter removes unwanted frequencies, e.g. floor rumble
  • Highly accurate 4-segment LED output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
GE-7_Thumb.jpg

GE-7
$109.00
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Boss
GE-7

Graphic Equalizer

The GE-7 Equalizer pedal offers seven bands of EQ ranging from 100Hz to 6.4kHz, ideal for guitar sounds, with boost/cut of +/- 15dB per band. This lets you completely control your sound and eliminate unwanted feedback, particularly when connected after a distortion effect.

Features:
  • Compact EQ pedal with 7 bands of adjustable EQ sliders
  • Allows for boost/cut of up to +/- 15dB per band
  • Perfect as a "boost" pedal for solos, creating an alternate sound, or for eliminating feedback
  • BOSS 5-year warranty
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FBQ1000
$109.99
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Behringer
Automatic and Ultra-Fast Feedback Destroyer/Parametric EQ with 24 FBQ Filters

The FBQ1000 Feedback Destroyer is the fastest feedback suppressor on the market, with a response time of less than 0.2 seconds. Whether you use it to kill feedback dead in its tracks for your mains and/or monitors, or as a sophisticated parametric equalizer to fine-tune the acoustics of your next gig, the FBQ1000 will bring a new level of finesse to your sound. And if you use in-ear-monitors, the FBQ1000 is a must-have to protect your most valuable assets—your ears!

One Smart Solution
Using an ultra-fast feedback detection algorithm, the FBQ1000 automatically and “intelligently” locates up to 12 feedback frequencies per channel. The algorithm then sets extremely narrow notch filters (up to 1/60th of an octave) to “destroy” feedback frequencies, leaving the remainder of your signal virtually untouched. And with the “Set-and-Forget” default setting, your Feedback Destroyer can be up and running in a matter of seconds.

Ease of Operation
The Auto Mode continuously monitors the mix, resetting programmed filters automatically to eliminate the slightest hint of feedback, without you having to do anything at all. It just doesn’t get much easier than that! If you prefer a more “hands-on” approach, the Manual Mode allows you to program up to 24 fully parametric filters (with frequency, bandwidth and gain controls) to optimize your sound to the room’s acoustics.

Be Prepared
The FBQ1000 is the quick and easy way to protect yourself and your audience from live sound’s #1 enemy—feedback! Plus it’s rack-mountable and ultra-affordable. With the FBQ1000's various modes, you can master virtually any live sound situation or use the unit as a creative sound-shaping tool. A single FBQ1000 can protect you from feedback in both your mono PA mains and a monitor mix. Check one out at your nearest BEHRINGER dealer today. Your ears and your audience will thank you.

Features:
  • High-performance 2-channel Feedback Destroyer and Parametric EQ
  • Automatically and "intelligently" locates and destroys up to 24 frequencies
  • Ultra-narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • "Set-and-forget" default setting enables immediate and super-easy Feedback Destroyer performance
  • Auto mode continuously monitors the mix and automatically sets filters
  • Single-Shot mode automatically detects and destroys feedback plus locks the filter until you reset it manually
  • Manual mode allows setting of up to 24 fully parametric filters with individual frequency, bandwidth and gain parameters
  • Extensive MIDI implementation and user preset memories for instant program recalls
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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EQ351
$115.00
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ART
EQ351

Single 31 band EQ


ART's 351 Single Channel 31 band 1/3 octave graphic equalizer features: constant Q circuitry with a 3% center frequency accuracy, 20mm center detent sliders, selectable boost/cut range of 6dB or 12dB, active balanced and unbalanced input and output connect-ions, adjustable high pass filter, adjustable low pass filter, variable input level control, clip level indicators, ground lift switch, internal power supply and selectable line voltage switch. A range control switch is provided which allows you to set the maximum boost or cut for each band of equalization to either 6dB or 12dB. The high pass filter rolls off lower frequencies which is useful for decreasing rumble or low frequency hum from a signal . Its range is adjustable from 10Hz to 250Hz. Frequencies below this setting are rolled off, while frequencies above are unaffected. The low pass filter rolls off higher frequencies which is useful for reducing hiss or sibilance from a signal. Its range is adjustable from 3kHz to 40kHz. The rugged, all-steel constructed chassis occupies 1U rack space and is intended for installation in standard 19" equipment racks.

Multiple input and output configurations are provided for ease of use and incorporate paralleled connections. The XLR and 1/4" TRS connectors use active balanced, low noise circuitry. XLR connections are: Pin 1 = ground, Pin 2 = Hot (+), and Pin 3 = Cold (-). The 1/4" TRS connections are: Tip = Hot (+), Ring = Cold (-), and Sleeve = ground. Both the XLR and 1/4" connectors may be used in an unbalanced configuration. The RCA jacks are unbalanced. The 351 is designed to work with a variety of signal levels. The input level control covers a wide range and can easily accommodate -10 and +4 signal lev els. A clip LED will light when a signal level of 5dB before clipping occurs.

The 351 may be used in a variety of applications such as live sound, recording studios, instrument racks as well as any conventional fixed installation environment. Use the 351 equalizer wherever precise modification of the frequency contour of a sound is needed. The 351 graphic equalizer is a powerful tool for solving a number of audio problems and creating interesting sound textures. Patch the EQ between your mixing console and power amps to allow you to alter the overall mix to better match your environment. Use the 351 between your monitor mixer and monitor power amps to aid in the removal of feedback inducing frequencies. Patch into a channel insert to EQ one channel or track individually. Run your instrument directly into the equalizer to enhance its sound before reaching a power amplifier or instrument amplifier. Patch the 351 into the effects loop of an instrument amplifier or between a preamp and power amp to have precise control over the complete sound.

The 351 Single Channel 31 Band Eq has the features and performance you need for any of your audio applications requiring equalization. For the latest in equalizer technology today, check out the 351 at your favorite ART dealer.

Features:
  • Single Channel 31-Band Graphic Equalizer
  • Constant-Q Filtering
  • Balanced XLR, Active Balanced 1/4", and Unbalanced RCA Input and Output Connectors
  • +/- 6dB or +/-12dB Level Adjustments
  • 20mm Center Detented Frequency Band Sliders
  • Independent Level and Bypass Controls Per Channel
  • Designed for Years of continuous, reliable performance
  • Rugged All Steel Construction
  • One Year Warranty
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EQ341
$115.00
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ART
EQ341

Dual 15 band EQ

ART's 341 Dual Channel 15 band 2/3 octave graphic equalizer features: constant Q circuitry with a 3% center frequency accuracy, 20mm center detent sliders, selectable boost/cut range of 6dB or 12dB, active balanced and unbalanced input and output connect-ions, variable input level control, clip level indicators, ground lift switch, internal power supply and selectable line voltage switch. A range control switch is provided allowing you to set the maximum boost or cut for each band of equalization to either 6dB or 12dB. Each channel has its own bypass switch with LED indicator. The rugged, all-steel constructed chassis occupies 1U rack space and is intended for installation in standard 19" equipment racks.

Multiple input and output configurations are provided for ease of use and incorporate paralleled connections. The XLR and 1/4" TRS connectors use active balanced, low noise circuitry. XLR connections are: Pin 1 = ground, Pin 2 = Hot (+), and Pin 3 = Cold (-). The 1/4" TRS connections are: Tip = Hot (+), Ring =Cold (-), and Sleeve = ground. Both the XLR and 1/4" connectors may be used in an unbalanced configuration. The RCA jacks are unbalanced. The 341 is designed to work with a variety of signal levels. The input level control covers a wide range and can easily accommodate -10 and +4 signal levels. A clip LED will light when a signal level of 5dB before clipping occurs.

The 341 may be used in a variety of applications such as live sound, recording studios, instrument racks as well as any conventional fixed installation environment. Use the 341 equalizer wherever modification of the frequency contour of a sound is needed. The 341 graphic equalizer is a powerful tool for solving a number of audio problems and creating interesting sound textures. Patch the EQ between your mixing console and power amps to allow you to alter the overall mix to better match your environment. Use the 341 between your monitor mixer and monitor power amps to aid in the removal of feedback inducing frequencies. Patch into a channel insert to EQ one channel or track individually. Run your instrument directly into the equalizer to enhance its sound before reaching a power amplifier or instrument amplifier. Patch the 341 into the effects loop of an instrument amplifier or between a preamp and power amp to have precise control over the complete sound.

The 341 Dual 15 Band Eq has the features and performance you need for any of your audio applications requiring equalization. For the latest in equalizer technology today, check out the 341 at your favorite A R T dealer.

Features:
  • Dual Channel 15-Band Graphic Equalizer
  • Constant-Q Filtering
  • Balanced XLR, Active Balanced 1/4", and Unbalanced RCA Input and Output Connectors
  • +/- 6dB or +/-12dB Level Adjustments
  • 20mm Center Detented Frequency Band Sliders
  • Independent Level and Bypass Controls Per Channel
  • Designed for Years of continuous, reliable performance
  • Rugged All Steel Construction
  • One Year Warranty

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FBQ3102
$142.99
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Behringer
Audiophile 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

Enjoy the limelight with the ULTRAGRAPH PRO FBQ3102, a professional 31-band stereo graphic equalizer for both live and studio applications. Its amazing FBQ Feedback Detection System instantly detects feedback frequencies and can also be used as an audio analyzer, making the FBQ3102 a welcome addition to every touring setup. Adding some extra oomph to your music is made easy with the dedicated mono subwoofer output with adjustable crossover frequency. You can effortlessly remove unwanted frequencies such as floor rumble and tape hiss by utilizing the additional sweepable high and low cut filters for each channel, and level setting is a snap with the highly accurate 12-digit LED input/output metering and input gain control.

Those in the know will appreciate the FBQ3102’s uncompromising components such as the ultra low-noise audio operational amplifiers that provide outstanding sound performance, or the servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors. You can expect unmatched reliability and longevity because high-quality illuminated faders, detent potentiometers and illuminated switches were designed for the rigors of every-day use. With its comprehensive features and quality craftsmanship, the FBQ3102 will never leave you sailing on thin ice.

Features:
  • Professional 31-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated mono subwoofer output with adjustable crossover frequency
  • Additional sweepable high and low-cut filters for each channel remove unwanted frequencies, e.g. floor rumble, hiss etc.
  • Highly accurate 12-segment LED input/output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Relay-controlled hard-bypass with an auto-bypass function during power failure (failsafe relay)
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
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QF215 *New Scratch n Dent*
$145.00
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Peavey
QF215
Box damage, dent in top of unit. Tested fully functional with warranty. Dent can not be seen when put in rack. Never been used but can't be sold as new. Final sale sold as is.

QF215 offers dual channel (15 bands per channel), incorporating Peavey's legendary low-noise, low-distortion design.

Features:
  • Dual channel (15 bands per channel)
  • 2/3 octave filter sets
  • ISO center frequencies within 3% accuracy
  • 25 Hz to 16 kHz effective equalization range
  • 45 mm, center-detent control sliders enclosed in metal for durability
  • Constant Q filters
  • 12 dB boost/18 dB cut per band
  • 18 db per octave 40Hz low-cut filter with status LED
  • +/-15 dB gain control
  • Improved Peavey FLS® (Feedback Locating System)
  • XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation
  • 2 RU
  • Weight Unpacked: 9.00 lb(4.082 kg)
  • Weight Packed: 11.00 lb(4.99 kg)
  • Width Packed: 6.12"(15.5448 cm)
  • Height Packed: 22.25"(56.515 cm)
  • Depth Packed: 10.25"(26.035 cm)
GEQ-231_Thumb.jpg

GEQ 231
$149.99
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Nady
GEQ 231 - Equalizers

2-channel
Double rack space
31 1/3rd octave bands each channel

Features:

  • Balanced XLR and ¼” TRS input/output connectors
  • Constant-Q bandwidth from each filter with 3% center frequency accuracy
  • Parallel filter design for minimal phase distortion
  • Ultra low-noise circuitry
  • Low-cut filter at 40Hz, 12dB/octave switchable, with status LED
  • Band range: +/- 12dB gain
  • Equalizer On/Off bypass switch with status LED
  • Center detents on faders and variable input level control (+/- 12dB)
  • Gain status LED bar graph with peak LED
  • Power switch with integral LED On indicator
  • Shielded internal power supply with AC input and selectable line voltage (~115V/60Hz or ~230V/50Hz)
  • Compact and durable all-steel chassis design
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EQA-215
$149.99
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BBE
EQA-215

The BBE EQA-215 is a professional dual 15-band graphic equalizer. ideal for use in live sound rigs and installed setups such as studio, stage, DJ and sound contracting. The EQA-215 utilizes Constant-Q filters (constant bandwidth) this means that the bandwidth of each individual filter has a perfect balance between being narrow enough to prevent unwanted interaction between filters, yet wide enough to deliver exactly the type of correction curve for the ultimate in precision equalizing.
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215s
$159.95
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DBX
Dual Chanel 15-Band Equalizer

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 215s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.

The dbx 215s includes two 15-band channels of 2/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz frequency response and 112 dB dynamic range to the quality componentry and meticulous attention to detail, the 215s offers exceptional sound and rugged reliability that guarantees you will always sound your best.

Sure to find a home in the studio, on tour and with installed sound venues, the dbx 215s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional's choice in signal processing. With such affordable quality, there's no longer any excuse for compromising your sound.

Features:
  • Dual 15-band, 1/3-octave Constant Q frequency bands
  • Switchable boost/cut ranges of ±6 or ±12 dB
  • Front panel bypass switch
  • ±12 dB input gain range
  • 4-segment LED ladders for monitoring output levels
  • XLR and TRS Inpts and Outputs
  • Frequency Repsonse of <10Hz to >50kHz
  • Dynamic range of greater than 108dB
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131s
$159.95
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DBX
Single Channel 31-Band Graphic Equalizer

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 131s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.

The dbx 131s includes a single 31-band channel of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz frequency response and 110 dB dynamic range to the quality componentry and meticulous attention to detail, the 131s offers exceptional sound and rugged reliability that guarantees you will always sound your best.

Sure to find a home in the studio, on tour and with installed sound venues, the dbx 131s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional's choice in signal processing. With such affordable quality, there's no longer any excuse for compromising your sound.

Features:
  • Single 31-band, 1/3-octave Constant Q frequency bands
  • Switchable boost/cut ranges of ±6 or ±12dB
  • 12dB per octave, 3dB down @ 50Hz low-cut filter
  • Front panel bypass switch
  • ±12 dB input gain range
  • 4-segment LED ladders for monitoring output levels
  • XLR and TRS Inputs and Outputs
  • Frequency Repsonse of <10Hz to >50kHz
  • Dynamic range of greater than 108dB
131_Thumb.jpg

131
$159.95
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DBX

131

The dbx 2-Series Graphic Equalizer series have been designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. The 131 not only offers standard features like single-channel, 31, 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 50Hz/12dB per octave low-cut filter, but also includes other insightful features. These features include 20 mm faders; selectable +/-6dB or+/-12dB boost/cut range for precise gain adjustments; XLR, and 1/4''TRS connectors for installation ease; balanced inputs and outputs for quiet operation.

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FBQ2496
$163.99
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Behringer
Automatic and Ultra-Fast Feedback Destroyer/Parametric EQ with 40 FBQ Filters and 96 kHz Audio Performance

The FBQ2496 Feedback Destroyer PRO is the fastest feedback suppressor on the market (less than 0.2 seconds) and the only one to offer a 96 kHz sampling rate. This rack-mountable audio solution is the quick, easy way to protect yourself and your audience from feedback.

One Smart Solution
Using an ultra-fast feedback detection algorithm, the FBQ2496 automatically and “intelligently” locates up to 20 feedback frequencies per channel. The algorithm then sets extremely narrow notch filters (up to 1/60th of an octave) to “destroy” feedback frequencies, leaving the remainder of your signal virtually untouched. And with the “Set-and-Forget” default setting, plus the Panic button, your FEEDBACK DESTROYER can be up and running in a matter of seconds.

Ease of Operation
The Auto Mode continuously monitors the mix, resetting programmed filters automatically, while the Manual Mode allows individual programming of up to 40 fully-parametric filters with frequency, bandwidth and gain adjustment. Open MIDI architecture makes future firmware updates and flexible communication with digital equipment exceedingly simple.

Be Prepared
With the FBQ2496's various modes, you can master just about any live sound situation or use the unit as a creative sound-shaping tool. A single FBQ2496 can protect you from feedback in both your mono PA mains and a monitor mix. And the FBQ2496 is more than just handy—it's affordable! Check one out today at your nearest BEHRINGER dealer. Your ears and your audience will thank you.

Features:
  • Ultra-high performance 2-channel 24-bit/96 kHz Feedback Destroyer and Parametric EQ
  • Automatically and "intelligently" locates and destroys up to 40 feedback frequencies
  • Ultra-narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
  • Panic button immediately takes action in feedback emergency situations
  • "Set-and-forget" default setting enables immediate and super-easy Feedback Destroyer performance
  • Auto mode continuously monitors the mix and automatically sets filters
  • Single-shot mode automatically detects and destroys feedback and locks filters until they are reset manually
  • Ultra-high resolution 24-bit/96 kHz A/D and D/A converter plus 32-bit DSP for ultimate audio performance
  • Extensive MIDI implementation and user preset memories for instant program recalls
  • Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
  • Internal switch-mode power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus lowest possible power consumption for energy savings
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
EQ210-Stereo-10-Band-Precision-Equalizer_Thumb.jpg

EQ210 Stereo 10-Band Precision Equalizer
$179.00
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Rolls

EQ210 Stereo 10-Band Precision Equalizer

The EQ210 is a small graphic EQ that enables you to boost or cut the signal at 10 different frequency points. The EQ210 is perfect for installations, and since it is stereo it’s great for use with desktop speakers, mixers and powered speakers, micpreamps, keyboards, computers and more.

Features:

  • Stereo equalization
  • 10 frequency controls on standard ISO centers
  • 12 dB of signal boost or cut for each frequency level control
  • Overall Level control with 12dB of signal boost or cut
  • Active Bypass switch in the event of a power loss
  • Stereo RCA and 1/8” (3.5mm) Input and Output jacks
  • 12 VDC power adapter included

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PV 231EQ IMP 120V
$179.99
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Peavey
PV 231EQ IMP 120V

The PV 231EQ dual 31-band 2/3 octave graphic EQ brings quality features and low pricing together. Select between 6 dB or 12 dB cut or boost over frequencies ranging from 20 Hz to 20 kHz. Low cut filter switch with status LED helps remove rumble from open mics while the bypass switch with LED indicator is convenient for sound checks.

Features:
  • Switchable 12-band or 6 dB boost/cut range
  • Variable 24 dB low cut filter
  • Variable 24 dB high cut filter
  • XLR balanced I/O
  • Output level LEDs
  • Bypass switch with status LED
  • Center-detent control sliders
  • 2 RU dual 31-band
EQ355_Thumb.jpg

EQ355
$189.00
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ART
EQ355

Dual 31 band EQ


The Model 355 Dual 31-Band 1/3 Octave Graphic Equalizer may be used in a variety of applications such as live sound, recording studios, instrument racks, DJ sound systems and fixed equipment installations. Designed to interface into any audio system, the Model 355 is a powerful tool for solving audio problems and creating interesting sound textures.

The Model 355 possesses a long list of impressive features including: constant Q circuitry, 20mm center detent sliders (with a selectable boost/cut range of 6dB or 12dB), balanced XLR and 1/4" and unbalanced RCA input and output connections, adjustable high pass and low pass filters, variable input level controls, signal clip level indicators, ground lift switch, internal power supply and selectable line voltage switch. The rugged, all-steel constructed chassis occupies 2U rack spaces and is intended for installation into standard 19" equipment racks.

The 355 Dual Channel 31 Band EQ has the features and performance you need for any of your audio applications requiring precise equalization. For the latest in equalizer technology today, check out the 355 at your favorite A R T dealer.

Features:
  • Dual Channel 31-Band Graphic Equalizer
  • Constant-Q Filtering
  • Balanced XLR, Active Balanced 1/4", and Unbalanced RCA Input and Output Connectors
  • Variable High-Pass and Low-Pass Filters
  • +/- 6dB or +/-12dB Level Adjustments
  • 20mm Center Detented Frequency Band Sliders
  • Independent Level and Bypass Controls Per Channel
  • Designed for Years of continuous, reliable performance
  • Rugged All Steel Construction
  • One Year Warranty
FBQ6200_Thumb.jpg

FBQ6200
$196.99
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Behringer
Audiophile 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

The flagship of the entire FBQ series, the ULTRAGRAPH PRO FBQ6200 is an ultra-musical 31-band stereo graphic equalizer that goes the distance to offer a maximum in performance and flexibility in both live and studio applications. Start with the forward-looking, FBQ Feedback Detection System that instantly reveals feedback frequencies and also can be used as an audio analyzer. A whole battery of superb features makes the FBQ6200 score high on the ease-of-use scale: dedicated limiters with gain reduction meters for each channel protect your sound system from overload and distortion, and a pink noise generator provides test signals for equalizing your sound system to any room acoustics. A mono subwoofer output with dedicated level control and adjustable crossover frequency gives your music some extra verve.

Additional sweepable high and low cut filters for each channel remove unwanted frequencies such as floor rumble and tape hiss. Level setting is no sweat thanks to the highly accurate 8-digit LED input/output metering and input gain control. Top-drawer components such as the ultra low-noise audio operational amplifiers, servo balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors and the relay-controlled hard-bypass with an auto-bypass function offer outstanding audio performance.

Expect reliability in the long run with the high-quality illuminated 45-mm faders, detent potentiometers and illuminated switches. Any way you look at it, the FBQ6200 has all the right stuff to become a welcome addition to your touring rack.

Features:
  • Audiophile 31-band stereo graphic equalizer for live and studio applications
  • Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
  • Dedicated Limiters with gain reduction meters for each channel protect your sound system from overload and distortion
  • Pink noise generator provides test signals to adapt your sound system to any room acoustics
  • Mono subwoofer output with dedicated level control and adjustable crossover frequency
  • Additional sweepable high and low-cut filters for each channel remove unwanted frequencies e.g. floor rumble, hiss etc.
  • Highly accurate 8-segment LED input/output metering and input gain controls for easy level setting
  • Ultra-low noise audio operational amplifiers for highest signal integrity
  • Relay-controlled hard bypass with an auto-bypass function during power failure (failsafe relay)
  • Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
  • Shielded toroidal power transformer for ultra-low noise performance
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
231_Thumb.jpg

231
$199.95
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DBX

231

The 2-Series represents a major step forward in the performance ofentry-level graphic equalizers. From its amazing 10Hz to 50kHzfrequency response, to its 108dB dynamic range and internal toroidaltransformer, the 2-Series offers out of this world specifications witha down to earth price point. Sure to find a home in the studio, on tourand with installed sound venues, the 2-Series is destined to take itsrightful place in the lineage of great dbx signal processors that arethe Professional's Choice™. With such affordable quality, there's nolonger any excuse for compromising your sound.

Features:

  • Two 31-band, 1/3-octave Constant Q frequency bands
  • Switchable boost/cut ranges of ±6 or ±12 dB
  • 12dB per octave 40Hz low-cut filter
  • Front panel bypass switch
  • ±12 dB input gain range
  • 4-segment LED ladders for monitoring output levels
  • XLR and TRS Inpts and Outputs
  • Internal Toroidal Transformer
  • Frequency Repsonse of <10Hz to >50kHz
  • Dynamic range of greater than 108dB

231s_Thumb.jpg

231s
$199.95
Compare
DBX
Dual Chanel 31-Band Equalizer

Exceptional sound and rugged reliability

When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 231s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.

The dbx 231s includes two 31-band channels of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, 20mm nonconductive sliders, an intuitive user interface, and output level metering. From its extended 10Hz to 50kHz frequency response and 112 dB dynamic range to the quality componentry and meticulous attention to detail, the 231s offers exceptional sound and rugged reliability that guarantees you will always sound your best.

Sure to find a home in the studio, on tour and with installed sound venues, the dbx 231s is destined to take its rightful place in the lineage of great dbx signal processors that are the professional's choice in signal processing. With such affordable quality, there's no longer any excuse for compromising your sound.

Features:
  • Dual 31-band, 1/3-octave Constant Q frequency bands
  • Switchable boost/cut ranges of ±6 or ±12 dB
  • Front panel bypass switch
  • ±12 dB input gain range
  • 4-segment LED ladders for monitoring output levels
  • XLR and TRS Inpts and Outputs
  • Frequency Repsonse of <10Hz to >50kHz
  • Dynamic range of greater than 108dB
EQA-231_Thumb.jpg

EQA-231
$199.99
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BBE
EQA-231

The BBE EQA-231 is a professional dual 31-band graphic equalizer. ideal for use in live sound rigs and installed setups such as studio, stage, DJ and sound contracting. The EQA-231 utilizes Constant-Q filters (constant bandwidth) this means that the bandwidth of each individual filter has a perfect balance between being narrow enough to prevent unwanted interaction between filters, yet wide enough to deliver exactly the type of correction curve for the ultimate in precision equalizing.
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QF215 - D
$199.99
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Peavey
QF215 - D

QF215 offers dual channel (15 bands per channel), incorporating Peavey's legendary low-noise, low-distortion design.

Features:
  • Dual channel (15 bands per channel)
  • 2/3 octave filter sets
  • ISO center frequencies within 3% accuracy
  • 25 Hz to 16 kHz effective equalization range
  • 45 mm, center-detent control sliders enclosed in metal for durability
  • Constant Q filters
  • 12 dB boost/18 dB cut per band
  • 18 db per octave 40Hz low-cut filter with status LED
  • +/-15 dB gain control
  • Improved Peavey FLS® (Feedback Locating System)
  • XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation
  • 2 RU
  • Weight Unpacked: 9.00 lb(4.082 kg)
  • Weight Packed: 11.00 lb(4.99 kg)
  • Width Packed: 6.12"(15.5448 cm)
  • Height Packed: 22.25"(56.515 cm)
  • Depth Packed: 10.25"(26.035 cm)
QF131-D_Thumb.jpg

QF131 - D
$199.99
Compare
Peavey
QF131-D

This 1/3 octave EQ with FLS is designed to provide very fine control over any audio situation.

Features:
  • 31-band graphic EQ with +12 dB boost/-18 dB cut per band
  • 1/3 octave filter sets
  • Constant Q filters
  • Output level LEDs (-12 to +24 dB)
  • 18 dB per octave 40 Hz low-cut filter with status LED
  • 20 Hz to 20 kHz effective EQ range
  • XLR and 1/4 inch TRS inputs/outputs for balanced or unbalanced operation
  • Bypass switch with status LED
  • New improved FLS circuitry for greater sensitivity
RPQ160b-4-band-parametric-EQ_Thumb.jpg

RPQ160b 4 band parametric EQ
$200.00
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Rolls
RPQ160b 4 band parametric EQ

The RPQ160b is a 4 band parametric equalizer with high and low shelving filters and is capable of processing frequencies from 20Cy to 20KCy. These sort of units are for reducing room resonances, anti feedback, special effects, room flattening, etc.. The 160 also features 3 different jack types as well as balanced and unbalances ins and outs.

Features:
  • 4 Bands of parametric equalization
  • RCA, 1/4" and XLR inputs and outputs
  • Adjustable high and low shelving filters
  • "T" Filers, which avoid the complexity and distortion of state-variable filters
  • AC adapter included
  • Great for room equalization, sound reinforcement, or home and studio recording applications.
DEQ1024_Thumb.jpg

DEQ1024
$217.99
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Behringer
Ultra-High Precision 24-Bit/96 kHz Equalizer, Feedback Destroyer and Dynamics Processor

Beautifully sculpted, feedback-free sound can be yours when the DEQ1024 has a place in your rack. It's a 31-band equalizer, a feedback destroyer and dynamics processor all in one. Most importantly, state-of-the-art 24/48-bit DSP and ultra high-resolution 24-bit/96 kHz A/D and D/A converters deliver the ultimate in sonic resolution.

Find Feedback
The DEQ1024's FBQ Feedback Detection System instantly detects critical feedback frequencies. Switching on the automatic Feedback Destroyer removes feedback within a fraction of a second.

High-I.Q. EQ
The DEQ1024's EQ section features three selectable operating ranges (±12 dB, ±6 dB and 0/-24 dB) and 31 high-quality illuminated 45-mm faders. The switchable TRUE CURVE function precisely translates fader positions into an exact frequency response. In addition, the DEQ1024 features sweepable low cut and high cut filters, an “inaudible” Noise Gate/Peak Limiter and Pink Noise generator plus stereo imager that provides unbelievable spatial enhancement and improved stereo imaging.

Bridging Analog and Digital
A digital AES/EBU and S/PDIF interface gives you ample connection flexibility and lets you select between three sample rates (44.1, 48 and 96 kHz). The DEQ1024 features both servo balanced inputs and outputs with gold-plated XLR and ¼“ TRS connectors.

Great Sound, Great Value
Quite simply, the DEQ1024 is a brilliant addition to any live rig, especially one that tours internationally. The built-in switch-mode power supply can operate world-wide (100 - 240 V~) while providing noise-free audio, superior transient response and lowest possible power consumption. Check one out at your nearest BEHRINGER dealer and find out what this incredible audio solution can do for your sound.

Features:
  • Ultra-high resolution 24-bit/96 kHz processor featuring EQ, RTA and dynamic processing for PA and mastering applications
  • Unique "True Curve" Function—fader settings reflect actual frequency response
  • Revolutionary FBQ detection system instantly reveals critical frequencies and can also be used as Audio Analyzer
  • Automatic and ultra-fast Feedback Destroyer plus feedback indication via fader LEDs
  • "Inaudible" Noise Gate/Peak Limiter function plus amazing Stereo Imager for spatial enhancement
  • Additional sweepable High and Low Cut filters for removal of unwanted frequencies like floor rumble and high-frequency noise
  • Integrated Pink Noise generator for perfect room equalization
  • Digital AES/EBU and S/PDIF interface with selectable sample rates (44.1, 48, 96 kHz)
  • Relay-controlled hard-bypass with auto-bypass function during power failure (failsafe relay)
  • Highly accurate, 2 x 12-digit LED meters for easy input and output level setting
  • Servo-balanced inputs and outputs on ¼" TRS and gold-plated XLR connectors
  • "Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
1215_Thumb.jpg

1215
$259.95
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DBX
Dual Chanel 15-Band Equalizer

The dbx 12 Series were designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. The 1215 provides standard features like dual channels, 15 2/3 octave bands, ISO frequency centers, +/-12 dB input gain range, and switchable 40Hz/18 dB per octave low-cut filters, but also includes other thoughtful features. These include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR, barrier strip, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of the dbx 12 Series makes your job easier.

The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free operation in any application. The magnetically isolated transformer, electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response, greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 2U steel/aluminum chassis.

Features:
  • Switchable boost/cut ranges of ±6 or ±15 dB
  • Electronically balanced/unbalanced inputs
  • Servo balanced/unbalanced inputs
  • RF filtered inputs and outputs
  • XLR, Barrier Strip, and 1/4" TRS connectors
  • -12dB/+12dB input gain range
  • 18dB/octave 40Hz Bessel low-cut filter
  • Chassis/signal ground lift capability
  • Internal power supply transformer
  • Power-off hardwire relay bypass with 2-second power-up delay
REQ313-31Band-Graphic-EQ_Thumb.jpg

REQ313 31Band Graphic EQ
$300.00
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Rolls

REQ313 31Band Graphic EQ

The ROLLS REQ313 graphic equalizer is intended for room equalizing or sound shaping and the approximate frequency response curve can be seen graphically by the settings of the frequency controls. Recording and broadcasting studios, sound contractors and musicians will appreciate the low noise, straightforward design, and versatile signal control of the REQ313. The equalization filters in the REQ313 are constant bandwidth (constant Q). The bandwidth of each individual filter is narrow enough to prevent unwarranted interaction between filters, yet wide enough to produce exactly the type of correction curve demanded by even the most unusual acoustic surroundings.

Features:

  • 31 Bands of constant Q equalization.
  • XLR and 1/4" input and output.
  • Low cut and High cut filters.
  • Passive bypass.

REQ315-15-Band-stereo-Graphic-EQ_Thumb.jpg

REQ315 15 Band stereo Graphic EQ
$300.00
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Rolls

REQ315 15 Band stereo Graphic EQ

The REQ315 is a two channel graphic equalizer utilizing constant Q filtering. The unit is designed for the sound professional that requires precise sound shaping control. All filters are true constant "Q" type, with no broadening near the "flat" setting. High slew-rate circuitry throughout the signal path results in clean, quiet, transparent sound.

Features:

  • Two channels with 15 bands of constant Q equalization each.
  • XLR and 1/4" inputs and outputs.
  • Low cut filters.
  • 6/12 dB Boost/Cut Range switch.
  • Passive bypass.

REQ131-31-Band_Thumb.jpg

REQ131 31 Band
$325.00
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Rolls

REQ131 31 Band

The ROLLS REQ313 graphic equalizer is intended for room equalizing or sound shaping and the approximate frequency response curve can be seen graphically by the settings of the frequency controls. Recording and broadcasting studios, sound contractors and musicians will appreciate the low noise, straightforward design, and versatile signal control of the REQ313. The equalization filters in the REQ313 are constant bandwidth (constant Q). The bandwidth of each individual filter is narrow enough to prevent unwarranted interaction between filters, yet wide enough to produce exactly the type of correction curve demanded by even the most unusual acoustic surroundings.

Features:

  • 31 Bands of constant Q equalization.
  • XLR and 1/4" input and output.
  • Low cut and High cut filters.
  • Passive bypass.

REQ215-Stereo-15-Band_Thumb.jpg

REQ215 Stereo 15 Band
$325.00
Compare
Rolls

REQ215 Stereo 15 Band

The REQ215 Dual Band graphic equalizer is designed for modern sound reinforcement applications. Smooth band-pass filtering and transparent low-noise circuitry provide virtually distortion free operation.

Features:

  • Standard ISO Frequency Centers
  • Adjustable Hi/Low Shelving Filters
  • XLR, 1/4” and RCA Inputs and Outputs

HQ231_Thumb.jpg

HQ231
$329.00
Compare
ART
HQ231

Pro Dual 31 Band EQ w/ FDC

The HQ231 Dual 31-band Graphic EQ is perfect for any live sound application where there is a high feedback potential including monitor mixes, side-fill cabinets or high powered front-of-house mixes situations.

The HQ231 features ART's proprietary FDC (Feedback Detection Circuit), with constant Q circuitry capable of delivering a 3% center frequency accuracy. Professional features like LED level metering, selectable 6dB or 12dB slider range, active balanced and unbalanced input & output connectors, RFI filters, independent variable Hi Pass (low cut) and Low Pass (high cut) filters, variable input level control, passive bypass switch, clip level indicator, ground lift switch, and selectable line voltage switch make it ideal for any professional application or touring system.

FDC Feedback Detection Circuit
FDC (Feedback Detection Circuitry - designed and developed by ART Engineering) instantly illuminates an LED on the corresponding EQ band fader with the greatest sustained signal. The LED indicators can immediately show which band corresponds to the feedback frequency, allowing the sound engineer to reduce gain in that band to quickly kill the feedback while having a minimal impact on the sound of the live program material.

The FDC also acts as a simple spectrum viewer while the concert proceeds showing where the "hot" areas are. During system setup and sound check, the FDC may be used to help identify room and sound system resonances. By increasing the gain until feedback, it is easy to identify those frequencies that are likely to be problems. Reducing the gain in these bands helps tune the sound system, and, remove problem areas before the show begins. It also helps increase the gain margin before feedback.

Constant-Q Filtering
The HQ231 features Constant-Q Filtering, which helps the HQ's FDC work with greater efficiency while offering superior overall performance of the EQ. Constant-Q ensures that even when making radical adjustments to a frequency band, that adjacent bands will not be affected. This is particularly critical in professional applications including monitor mixes and feedback control.

Professional Feature Set
Professional features like 45mm center detent sliders with selectable boost or cut range of 6dB or 12dB ensures the HQ231 can be used for radical tone shaping, or precise control of a sound system. Versatile connection to any live sound system or installation can be easily made using balanced XLR, 1/4-inch TRS and unbalanced RCA input and output jacks included on the HQ231 back panel.

High and low pass filters, analog level metering, variable input level controls, signal clip level indicators, ground lift switch, internal power supply and selectable line voltage complete the HQ231 Dual 31-Band Graphic EQ's full feature set.

Features:
  • FDC Feedback Detection Circuit
  • Dual Channel 31-Band Graphic Equalizer
  • Output Level VU Metering on Each Channel
  • Constant-Q Filtering
  • Individual High and Low Pass Filters on Each Channel
  • Center-Detented Frequency Band Sliders
  • Independent Level and Bypass Controls on Each Channel
  • Relay Bypass - If Power is Lost, Signal Will Still Pass
  • Variable Input Controls
  • Signal Clip Level Indicators
  • Ground Lift Switch
  • Internal Power Supply
  • Selectable Line Voltage
1231_Thumb.jpg

1231
$359.95
Compare
DBX
Dual Chanel 31-Band Equalizer

The dbx 12 Series were designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. The 1231 provides standard features like dual-channels, 31 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 40Hz/18 dB per octave low-cut filters, but also includes other insightful features. These include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR, barrier strip, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of the dbx 12 Series makes your job easier.

The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free operation in any application. The magnetically isolated transformer, electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response, greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 3U steel/aluminum chassis.

Features:
  • Switchable boost/cut ranges of ±6 or ±15 dB
  • Electronically balanced/unbalanced inputs
  • Servo balanced/unbalanced outputs
  • RF filtered inputs and outputs
  • XLR, Barrier Strip, and 1/4" TRS connectors
  • -12dB/+12dB input gain range
  • 18dB/octave 40Hz Bessel low-cut filter
  • Chassis/signal ground lift capability
  • Internal power supply transformer
  • Power-off hardwire relay bypass with 2-second power-up delay

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