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XQP 531

Optical De-esser

XQP 531 Optical De-esser

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  • XQP 531 Optical De-esser
  • XQP 531 Optical De-esser
  • XQP 531 Optical De-esser
  • XQP 531 Optical De-esser
Brand New


Availability: In stock now

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Product Description for the XQP 531

Based on the Dane Optical De-esser #31, the XQP 531 uses a pair of VACTROL® optoisolators to achieve smooth reduction of sibilance.

The filter in the sidechain is a high-pass design, switchable to three cutoff frequencies. A HPF, rather than a band-pass, allows any sibilant above the chosen frequency to be reduced.

It is our intention to build a smooth, simple, musical device instead of one that is fiddly to operate and difficult to achieve a good sound.



  • Input impedance: 43k balanced
  • Ouput impedance: 50 balanced
  • Frequency responce: 4 - 90kHz (-3dB)
  • Max. output level: 22dBu
  • THD (no gain reduction): <0.002% @ 1kHz
  • Noise: Attack time: 80dBm,unweighted
  • Attack time: 10mSec.
  • Release time: 18mSec.
  • Current requirement: 86mA @ +/- 16v
Brand XQP
Weight 1.0100
Dimensions (WxHxD) No

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XQP 531


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