SPECIFICATIONS

231s Dual Channel 31-Band Graphic Equalizer

Input 
Connectors: 1/4 TRS, female XLR (pin 2 hot) 
Type: Electronically balanced/unbalanced, RF filtered 
Impedance: Balanced 40k ohm, unbalanced 20k ohm 
Max Input Level: >+21dBu balanced or unbalanced 
CMRR: >40dB, typically >55dB at 1kHz 

Outputs 
Connectors: 1/4 TRS, male XLR (pin 2 hot) 
Type: Impedance-balanaced/unbalanced, RF filtered 
Impedance: Balanced 100 ohm, unbalanced 50 ohm 
Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater 
>+18dBm balanced/unbalanced (into 600 ohm) 

System Performance 
Bandwidth: 20Hz to 20kHz, +0.5/-1dB 
Frequency Response: <10Hz to >50kHz, +0.5/-3dB 
Dynamic Range: Typicall >112dB 
Signal-to-Noise: Typically >95dB 
THD+Noise: <0.003% 
Interchannel Crosstalk: <-90dB, 20Hz to 20kHz 

Function Switches 
EQ Bypass: Bypasses the graphic equalizer section in the signal path 
Low Cut: Activates the 50Hz 12dB/octave high-pass filter 
Range: Selects either +/- 6dB or +/- 12dB slider boost/cut range 

Power Supply 
Operating Voltage: 100VAC-240VAC 50/60Hz 
Power consumption: 15W 
Mains Connection: IEC receptacle 

Physical 
Weight: 6.2 lbs.(2.81 kg) Shipping weight 7.9 lbs.(3.58kg) 
Dimensions: 3.5 (8.9cm) H x 6(15.24cm) D x 19 (48.26cm) W 

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