DBX Graphic Equalizer 231S

Features

  • Dual channel, 31-band, 1/3-octave constant Q graphic EQ
  • Switchable boost/cut ranges of +/-6 or +/-12dB
  • 20mm non-conductive sliders
  • 12dB per octave, 3dB down at 50Hz low-cut filter
  • +/-12 dB input gain range
  • Front panel bypass switch
  • 4-segment LED ladders for monitoring output levels
  • XLR and 1/4″ TRS inputs and outputs
Specification
Filter Type Graphic, constant Q
Number of Channels 2
Frequency Bands 31
Bandwidth 1/3-octave
Range (Boost/Cut) +/-6dB or +/-12 dB, switchable
Inputs 2 x XLR (pin 2 hot)
2 x 1/4″ TRS phone
Input Impedance 40kΩ balanced, 20kΩ unbalanced
Maximum Input Level >+21dBu balanced or unbalanced
Outputs 2 x XLR (pin 2 hot)
2 x 1/4″ TRS phone
Output Impedance 100Ω balanced, 50Ω unbalanced
Maximum Output Level >+21dBu balanced/unbalanced into 2kΩ or greater
>+18dBm balanced/unbalanced into 600Ω
Frequency Response FR: <10Hz to >50kHz, +0.5/-3.0dB
Bandwidth: 20Hz to 20kHz, +0.5/-1.0dB
Dynamic Range >112dB typical
Noise SNR: >95dB typical
THD + N <0.003%
Crosstalk <-90dB, 20Hz to 20kHz
CMRR >40dB, typically >55dB @ 1kHz
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 Requirements 100~240VAC 50/60Hz
15W power consumption
Dimensions (WxHxD) 19 x 6 x 3.5″ (483 x 152 x 89mm)
Weight 6.2 lb (2.8kg)