dbx

dbx 231S

Dual 31-band Graphic Equaliser

Order Code: 231S
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Our Price: $272.00

While being part of the 'entry level' range of dbx equalisers, the dual (2U) rackspace 231S still draws on the heritage spanning four decades, making dbx a proven go-to workhorse. The dbx 231S 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. Great sound and rugged reliability. Also in this range: 215S: (dual 15 band), and 131S (mono 31 band).

Photo of dbx 231S available from Factory Sound
  • 231s
  • 231s_f1
  • 231s_f2
  • 231s_f3
  • 231s_r1
  • 231s_r2
  • 231s_r3
  • 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 <10Hz to >50kHz
  • Dynamic range of greater than 108dB
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 <10Hz to >50kHz, +0.5/-3dB
Dynamic Range Typically >112dB
Signal to Noise Ratio Typically >95dB
THD+Noise <0.003%
Interchannel Crosstalk <-90dB, 20Hz to 20kHz
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 2.81 kg
Shipping Weight 3.58kg
Dimensions 8.9cm H x 15.24cm D x 48.26cm W