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DBX
DBX 231 Dual Channel 31-Band Graphic Equalizer
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DBX 231 Dual Channel 31-Band Graphic Equalizer

DBX 231 Dual Channel 31-Band Graphic Equalizer
With the dbx lineage of revered pro EQs, the 2-Series meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. They set a new standard in the performance of entry-level graphic equalizers. Features include ISO frequency centers, +/- 12 dB input gain range, switchable 50Hz/12 dB per octave low-cut filter, 20 mm faders, and selectable +/-6dB or +/-12dB boost/cut range for precise gain adjustments. Inputs and output are provided on XLR and 1/4'' TRS connectors for easy installation in any system. Sure to find a home in the studio, on tour and with installed sound venues, the 2-Series is destined to take its rightful place in the lineage of great dbx(r) signal processors that are the professional's choice in signal processing. With such affordable quality there's no longer any excuse for compromising your sound.

Features
  • Two 31-band, 1/3-octave Constant Q frequency bands
  • Switchable boost/cut ranges of ±6 or ±12 dB
  • 12dB per octave 40Hz low-cut filter
  • Front panel bypass switch
  • ±12 dB input gain range
  • 4-segment LED ladders for monitoring output levels
  • XLR and TRS Inputs and Outputs
  • Internal Toroidal Transformer
  • Frequency Response of <10 Hz to >50kHz
  • Dynamic range of greater than 108dB


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Specifications

    INPUTS
  • 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-balanced/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: 108dB
  • Signal-to-Noise: 90dB
  • THD+Noise: <0.004%
  • Interchannel Crosstalk: <-80dB, 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 50/60Hz, 120VAC 60Hz, 230VAC 50/60Hz
  • Power Consumption: 15W
  • Mains Connection: IEC receptacle

Note: Specifications subject to change without notice.

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