Product Description

Ultragraph Pro EQs are professional, ultra-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 ultra 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

Ultra 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 ultra 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.

Technical Description

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

Catalog Description

Incredibly affordable dual 31-band EQ@Feedback detection system/audio analyzer@Mono subwoofer output with adjustable crossover@Variable high- and low-cut filters on each channel@TRS and XLR I/O

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