When the pros need an EQ, they turn to dbx. With a proven track record that spans four decades, dbx® EQs are the industry standard for touring, studios, and audio installations. With the dbx heritage of revered pro EQs, the 231s meets the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls.
DBX 231S Graphic Equalizer
$469
The dBX 231S is the legendary dual 31-Band Graphic Equalizer preferred by hundreds of Audio Engineers across the globe. The dual 31-Band graphic is 19 inch rack mountable and features both 1/4 TRS and XLR inputs. This is a must have for any serious PA setup not running a driverack.
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- 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 Repsonse of <10Hz to >50kHz
- Dynamic range of greater than 108dB
INPUT
Connectors: 1/4″ TRS, female XLR (pin 2 hot)
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced 40k ohm, unbalanced 20k ohm
Max Input Level: >+21dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
OUTPUTS
Connectors: 1/4″ TRS, male XLR (pin 2 hot)
Type: Impedance-balanaced/unbalanced, RF filtered
Impedance: Balanced 100 ohm, unbalanced 50 ohm
Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater
>+18dBm balanced/unbalanced (into 600 ohm)
SYSTEM PERFORMANCE
Bandwidth: 20Hz to 20kHz, +0.5/-1dB
Frequency Response: <10Hz to >50kHz, +0.5/-3dB
Dynamic Range: Typicall >112dB
Signal-to-Noise: Typically >95dB
THD+Noise: <0.003%
Interchannel Crosstalk: <-90dB, 20Hz to 20kHz
FUNCTION 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 SUPPLY
Operating Voltage: 100VAC-240VAC 50/60Hz
Power consumption: 15W
Mains Connection: IEC receptacle
PHYSICAL
Weight: 6.2 lbs.(2.81 kg) Shipping weight 7.9 lbs.(3.58kg)
Dimensions: 3.5″ (8.9cm) H x 6″(15.24cm) D x 19″ (48.26cm) W
For more information, please visit the manufacturer's website.