dbx / 231s Graphic Equalizer

This compact, 31-band, 2-channel graphic equalizer features 20mm faders. The boost/cut width of each filter can be switched between ±6dB and ±12dB, allowing for precise adjustment.

Graphic Equalizer
31-Band Stereo
2U

[Input]
Connectors: 1/4"" TRS Phone, XLR Female (Pin 2 Hot)
Type: Electronically Balanced/Unbalanced
Impedance: 40kΩ (Balanced), 20kΩ (Unbalanced)
Maximum Input Level: >+21dBu (Balanced/Unbalanced)
CMRR: >40dB, typically >55dB at 1kHz
[Output]
Connectors: 1/4"" TRS Phone, XLR Male (Pin 2 Hot)
Type: Impedance - Balanced/Unbalanced
Impedance: 100Ω (Balanced), 50Ω (Unbalanced)
Maximum Output Level:
>+21dBu Balanced/Unbalanced (Over 2kΩ)
>+18dBm Balanced/Unbalanced (600Ω)

[System]
Bandwidth: 20Hz to 20kHz, +0.5/-1dB Frequency Response: <10Hz to >50kHz, +0.5/-3dB
Dynamic Range: >112dB
Signal-to-Noise Ratio: >95dB
THD+Noise: <0.003%
Channel Crosstalk: <-90dB, 20Hz to 20kHz
Function Switches
EQ Bypass: Bypasses the EQ section
Low Cut: 50Hz 12dB/octave high-pass filter
Range: +/- 6dB or +/- 12dB
Power Supply:
Voltage: 100VAC-240VAC 50/60Hz
Power Consumption: 15W
Weight: 6.2 lbs. (2.81 kg) Shipping weight 7.9 lbs. (3.58 kg)
Dimensions: 3.5"" (8.9cm) H x 1.5"" (3.5"" x 3 ... 6"" (15.24cm) D x 19"" (48.26cm) W

[Differences from 231]
Black → Silver
Dynamic Range: 108dB → 110dB
S/N Ratio: 90dB → 95dB
THD+N: 0.004% → 0.003%
Channel Crosstalk: -80dB → -90dB