DBX 231S Dual Channel 31-Band Graphic Equalizer

The DBX 231S Dual Channel 31-Band Graphic Equalizer 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.

Key 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 Response of 50kHz
• Dynamic range of greater than 108dB

Technical Specifications

Input Connectors
1/4" TRS, female XLR (pin 2 hot)
Input Type
Electronically balanced/unbalanced, RF filtered
Input Impedance
Balanced 40k ohm, unbalanced 20k ohm
Max Input
>+21dBu balanced or unbalanced
CMRR
>40dB, typically >55dB at 1kHz
Output Connectors
1/4" TRS, male XLR (pin 2 hot)
Output Type
Impedance-balanced/unbalanced, RF filtered
Output Impedance
Balanced 100 ohm, unbalanced 50 ohm
Max Output
>+21dBu balanced/unbalanced into 2k ohm or greater; >+18dBm balanced/unbalanced (into 600 ohm)
Bandwidth
20Hz to 20kHz, +0.5/-1dB
Frequency Response
50kHz, +0.5/-3dB
Dynamic Range
Typically >112dB
Signal to Noise Ratio
Typically >95dB
Bypass Switch
Bypasses the graphic equalizer section in the signal path
Low cut Switch
Activates the 50Hz 12dB/octave high-pass filter
Range Switch
Selects either +/- 6dB or +/-12dB slider boost/cut range
Operating Voltage
100-240VAC 50/60Hz
Power Consumption
15W
Power Connector
IEC receptacle
Unit 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