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DBX - 2231

Input Connectors  1/4" TRS, female XLR (pin 2 hot), and barrier terminal strip 
Input Type  Electronically balanced/unbalanced, RF filtered
Input Impedance  Balanced 40 kOhm, unbalanced 20 kOhm
Max Input  >+21dBu balanced or unbalanced
CMRR  >40dB, typically >55dB at 1kHz
Output Connectors 1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip
Output Type Impedance-balanced/unbalanced, RF filtered
Output Impedance Balanced 200 ohm, unbalanced 100 ohm
Max Output >+21dBu balanced/unbalanced into 2 kOhm or greater; >+18dBm balanced/unbalanced (into 600 ohm)
Bandwidth 20Hz to 20kHz, +/-0.5dB
Frequency Response <10Hz to >50kHz, +0.5/-3dB
Signal-to-Noise (NR In: +/-6 and +/-15dB ranges) >102dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
Dynamic Range  (NR In: +/-6dB and +/-15dB ranges) >120dB, unweighted
Signal-to-Noise  (NR Out: +/-6dB range) >94dB, unweighted, ref: +4dBu, 22kHz measurment bandwidth
Dynamic Range  (NR Out: +/-6dB range) >112dB, unweighted
Signal-to-Noise (NR Out: +/-15dB range) >90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
Dynamic Range (NR Out: +/-15dB range) >108dB, unweighted
THD+Noise  <0.04%, 0.02% typical at +4dBu, 1kHz
Interchannel Crosstalk <-80dB, 20Hz to 20kHz
Noise Reduction  Up to 20dB of dynamic broadband noise reduction
NR Switch  Activates dbx Type III Noise Reduction
Bypass Switch  Bypasses the graphic equalizer section in the signal path
Low cut Switch  (recessed) Activates the 40Hz 18dB/octave Bessel high-pass filter
Range Switch  (recessed) Selects either +/- 6dB or +/- 15dB slider boost/cut range
I/O Meter  4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18dBu
Gain Reduction Meter  4-LED bar graph (all Red) at 0, 3, 6, and 10dB 
Indicators  NR Active (Yellow); EQ Bypass (Red); Clip (Red); Low Cut (Red); +/-6dB (Yellow); +/-15dB (Red) 
Operating Voltage 100VAC 50/60Hz; 120VAC 60Hz; 230VAC 50/60Hz
Power Consumption 28W
Power Connector IEC receptacle
Dimensions 5.25" H X 19" W X 7.9" D (13.335cm x 48.3cm x 20.1cm)


Operating Voltage