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DBX 2231 Dual 31-Band Graphic Equalizer

DBX 2231 Dual 31-Band Graphic Equalizer

DBX 2231 Dual 31-Band Graphic Equalizer

Price Each 403.25 Exc VAT or (483.90 Inc VAT at 20%)

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Ref: JP65140

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Click Here For PDF User Manual

DBX 2231 Dual 31-Band Graphic Equalizer, It's amazing. One little button. It has so much effect. The Type III Noise Reduction is an entirely new concept... virtually instantaneous encode/decode within the circuitry of the box. We started out to build the finest EQ's possible, boxes with the heritage and performance to rival our famous 30 Series EQ's. And to no one's surprise they came out awfully darn good. (Ask to see the Audio Precision plots compared to the competition.) But then, Roger (our chief engineer, a nice guy, as far as engineers go) got the crazy idea of putting this new noise reduction stuff in the box. We listened to it and were amazed. The EQ's sounded great without it but with it the performance was nothing short of incredible. Check it out yourself and see.

But hey, Roger wasn't about to stop there. PeakPlus Limiter. Who knows more about limiting than the folks at dbx; nobody... that's who. So when the guys were developing this new series of EQ's they wanted something that would be unique to these EQ's. That's when Roger got another one of his bright ideas and said "I bet they'll work a lot better if there's a cool limiter built in." Next thing you know, all the guys are in the studio amazed at the new limiter Roger had designed specially for the 20 Series. Once again, hearing is believing... With a threshold range of 0 to +20dbu, the PeakPlus limiter is designed to tame your program material from the subtlest nuances to the rowdiest hits. Also, the four stage LED ladder gives you a great visual indication as to what the limiter is doing.

20 Series EQ's. You used to have to settle for second best in a reasonably priced EQ but not any more. With the new 20 Series from dbx Professional Products you get a great EQ circuit, a graceful yet powerful limiter and the revolutionary new design of the Type III Noise Reduction. Check out the dbx 20 Series graphic EQ's at your pro audio outfitter. You'll see, with the 20 Series EQ's you get both MORE!!!

Features

  • Revolutionary instant encode/decode Type III Noise Reduction in-circuit at the push of a button. 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

Specification

Input

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

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: 23W
  • Main Connection: IEC receptacle

Physical

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

Related products:

  1. DBX 1215 Dual 15-Band Graphic EqualizerDBX 1215 Dual 15-Band Graphic Equalizer
    229.36 Exc VAT or (275.23 Inc VAT at 20%) (Ref: JP65136)

  2. DBX 1231 Dual 31-Band Graphic Equalizer DBX 1231 Dual 31-Band Graphic Equalizer
    294.98 Exc VAT or (353.98 Inc VAT at 20%) (Ref: JP65137)

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