Behringer FBQ3102 Ultragraph Dual 31-Band Equalizer with FBQ

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This dual 31-band graphic EQ features balanced I/O and a feedback detection circuit lights up the slider of the offending frequency so you know what to cut.

Ultragraph Pro EQs are professional, musical, and equally at home in both live and studio applications. They feature the amazing, patent-pending FBQ Feedback Detection System that instantly detects feedback frequencies and can also be used as an audio analyzer. Their dedicated mono subwoofer output with adjustable crossover frequency lets you add some extra punch to your music. Other features include low-noise audio op-amps, servo balanced XLR and TRS I/Os, high-quality illuminated faders, detent ALPS(R) potentiometers and illuminated switches.

Features:

- Professional 31-band stereo Graphic Equalizer for both live and studio applications
- Revolutionary, patent-pending 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, tape hiss, etc.
- Highly accurate 12-digit LED input/output metering and input gain control for easy level setting
- Low-noise audio operational amplifiers offer outstanding sound performance
- Relay-controlled hard-bypass with an auto-bypass function during power failure (failsafe relay)
- Servo-balanced inputs and outputs with 1/4 in. TRS and gold plated XLR connectors
- High-quality illuminated faders, detent ALPS potentiometers and illuminated switches for long-term reliability
- Shielded toroidal power transformer for read more low-noise performance
- Extremely rugged all-metal chassis ensures long life even under the most demanding conditions
- Designed in Germany. Manufactured under ISO9000 certified management system.
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Audio Inputs:
- Type: RF-filtered, servo balanced XLR and 1/4 in. TRS connectors
- Impedance: 40k ohms balanced and unbalanced
- Maximum Input Level: +21 dBu balanced and unbalanced

Audio Outputs:
- Type: Servo-balanced XLR and 1/4 in. TRS connectors
- Subwoofer Out: Balanced XLR connector
- Crossover Frequency: variable, 30-200Hz

System Specifications:
- Frequency Response: 10Hz to 30kHz, +/- 3 dB
- Signal to Noise Ratio: 22 Hz to 22 kHz > 94 dB @+4 dBu
- THD: Typical 0.006% @ +4 dBu, 1 kHz, Gain 1
- Crosstalk: Typical 65 dB @ 1 kHz

Roll-Off Filtersection:
- Type: 12 dB/octave, Butterworth
- Input: variable (-15 dB to +15 dB)
- Low Cut: variable (10 Hz to 400 Hz)
- High Cut: variable (2.5 kHz to 30 kHz)

Graphic Equalizer:
- Type: Analog 31-band equalizer
- Frequency Range: 20 Hz to 20 kHz in 31 1/3-octave bands (ISO frequencies)
- Bandwidth: 1/3 octave
- Control Range: +/-6 dB or +/-12 dB (switchable)

Dimensions (H x W x D): 3-1/2 x 19 x 5-7/8 in.

Weight: 5.51 lbs

For support or warranty questions, please contact the manufacturer:
Web: https://www.behringer.com/service.html

Reviewers gave this product an overall rating of 4.5 out of 5 stars. (52 ratings)
Submitted August 28, 2006 by a customer from knology.net

"Great Sound"

Overall: 4.5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
Its a static install. I'll use it indefinently.

Sound
Sound is outstanding. My older furman eq was clean, but very muddy in comparison. Bass is tight but full, no slop. Highs are crystal. I don't mean to go overboard, but the sound quality rivals eqs 3 times as costly.

Features
I'm knocking it down 2 notches because of the fbq feature. As an EQ, it does everything it should. Hi and lo pass filters are convenient if not redundant. Sub x-over is fine. The FBQ is handy, but not complete. Intensity of glowing sliders shows sound levels per frequency, but that's it. You can visually identify strong/weak spots, but you still need your ears. What it does do is make tuning quicker, but it does not do it for you. Feedback will show up as one bright slider, so you can quickly nab it/tune it if you ring the room, but folks who know the "I don't have a RTA-capable EQ" methods will find this only a convenience. Folks that don't know how to tune a room by ear will not benefit from this feauture. A noise insert & a measurement mic insert would make it work...

Ease of Use
It's an EQ...

Quality
I think it's built well. Sliders feel precise and smooth, but strike me as delicate. House installs = fine. The controls don't feel up to the occassional woopsie that gigging encounters. I'm knocking it 3 points because, like alot of Berhinger gear, there's a really nasty read more power-off pop. I mean, I hate to even expose powered-off gear to the surge.

Value
Outstanding sound at minimal cost.

Manufacturer Support
No experience.

The Wow Factor
turn on fbq and the lights go nuts...if you're into that sort of thing.

Musical Background:
Active Musician

Musical Style:
rock, jazz, R&B, Dance, CCM
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