Key Specifications

Product Model

dbx 1231

Product Type

Dual 31-Band Graphic Equalizer

EQ Bands

2x 31, 1/3-octave (ISO frequencies)

Slider Throw

45 mm Precision Faders

Acoustic & Electrical Performance

Frequency Response

<10 Hz to >50 kHz (+0.5/-3 dB)

Dynamic Range

109 dB / 115 dB

THD + Noise

<0.005%

Crosstalk

<-80 dB (20 Hz to 20 kHz)

Inputs / Outputs

Connectors

XLR, 1/4" TRS, and Barrier Terminal Strip

Max Input/Output

>+21 dBu (Balanced/Unbalanced)

Input Impedance

Balanced 40 kΩ / Unbalanced 20 kΩ

Control & Switching

Switchable Range

±6 dB or ±15 dB Boost/Cut

Low Cut Filter

40 Hz, 18 dB/octave Bessel High-Pass

Visual Feedback

4-LED Bar Graph Meter & Clip Indicators

Physical & Power

Rack Space

3U

Dimensions (WxDxH)

48.3 x 20.1 x 13.34 cm (19" x 7.9" x 5.25")

Net Weight

4.8 kg (10.6 lbs)