Item #: DBX 2231 G20 LIST

DBX 2231 Dual 31 Band Graphic Equalizer

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Product Description

The DBX 2231 Dual 31 Band Graphic Equalizer combines an extremely high quality level of equalization and amazing features like the patent pending TYPE III noise reduction and a DBX PeakPlus Limiter circuit. With switchable 6dB/15dB boost and cut, XLR and TRS I/O, the DBX 2231 graphic equalizers are great EQs. The monster 4 space DBX 2231 offers two channels of 31 band, 1/3 octave EQ. Each channel features PeakPlus Limiting and TYPE III noise reduction. For the most demanding studio and live pro audio systems, the2231 graphic equalizers are the greatest EQs DBX has offered. 

DBX 2231 Dual 31 Band Graphic Equalizer Features:

  • Type III Noise Reduction in circuit at the push of a button and increases S/N ratio by up to 20dB
  • Patent pending PeakPlus Limiter threshold range from 0dBu to +24dBu (off) can transparently tame the wildest hits or the subtlest nuances of any signal
  • Four segment LED bargraph for both Gain Reduction and Output Level
  • Status LEDs offer visual feedback for all settings on the front panel
You used to have to settle for second best in a reasonably priced EQ but not any more. With the DBX 20 Series you get a great EQ circuit, a graceful yet powerful limiter and the revolutionary design of the Type III Noise Reduction.

Product Specifications
DBX 2231 Dual 31 Band Graphic Equalizer Specifications

Input
  • Connectors: 1/4 inch TRS, female XLR (pin 2 hot), and barrier terminal strip
  • 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 inch TRS, male XLR (pin 2 hot), and barrier terminal strip
  • Type: Impedance-balanaced/unbalanced, RF filtered
  • Impedance: Balanced 200 Ohms, unbalanced 100 Ohms
  • Max Output Level: >+21dBu balanced/unbalanced into 2k or greater >+20dBm balanced/unbalanced (into 600 Ohms)

System Performance

  • Bandwidth: 20Hz to 20kHz, +/-0.5dB
  • Frequency Response: <10Hz to >50kHz, +0.5/-3dB
  • Noise Reduction In (+/-6 and +/-12dB range):
    • Signal-to-Noise: >102dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
    • Dynamic Range: >120dB, unweighted
  • Noise Reduction Out: (+/-6dB range):
    • Signal-to-Noise: >94dB, unweighted, ref: +4dBu, 22kHz measurment bandwidth
    • Dynamic Range: >112dB, unweighted
  • Noise Reduction Out (+/-12dB range):
    • Signal-to-Noise: >90dB, unweighted, ref: +4dBu, 22kHz measurement bandwidth
    • Dynamic 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

Function Switches

  • Type III NR: Activates dbx Type III Noise Reduction
  • EQ Bypass: Bypasses the Graphic Equalizer section in the signal path
  • Low Cut (recessed): Activates the 40Hz 18dB/octave Bessel high-pass filter
  • Range (Recessed): Selects either +/- 6dB or +/-15dB slider boost/cut range

Indicators

  • Output Level 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
  • Type III NR Active: Yellow LED
  • EQ Bypass: Red LED
  • Clip: Red LED
  • Low Cut Active: Red LED
  • +/-6dB range: Yellow LED
  • +/-12dB range: Red LED

Power Supply

  • Operating Voltage: 100VAC 50/60Hz, 120VAC 60Hz 230VAC 50/60Hz
  • Power Consumption: 23 watts
  • Mains Connection: IEC receptacle

Physical

  • Dimensions (H x W x D): 5.25 x 19 x 7.9 inches (8.9 x 48.3 x 20.1 cm)


Helpful Info about the Manufacturer
Phone:  (801) 566-8800 Warranty:  2 Years
Wes "Mr Wes" Charles Shabby Labs Studios from Atlanta, GA USA, Jerz3455@yahoo.com Submitted: 1/22/2010

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