The XQP 531A Optical De-esser is the newly designed upgrade to the 531 optical de-esser, which was the original 500-series version of the Dane #31, developed in the mid-90's. Selectable VACTROL or Silonex opto-isolators (Soft and Clean modes) provide sibilance reduction in either the classic style or the more subtle, cleaner style.
The side chain now adds a fourth, lower frequency (W) to the improved high pass filters for isolating sibilant content. This HPF design allows the user to select the bottom of the frequency range of potential sibilance resulting in any sibilant above that point being affected.
Design changes of the 531A also include the new, smaller knobs in a revised color scheme, illuminated In switch, and removable stainless side panel for easier servicing.
Like all XQP products, the 531A Optical De-esser is covered by our stupid-length ten-year warranty. You don't even have to return the warranty card.
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"It's fantastic. Far and away the best de-esser I've ever used and I've tried a bunch, both hardware and software. I was able to set it up very easily and quickly to remove just the right amount of sibilance without overdoing it or still fearing distortion down the line."
"De-essers are subtle things (until all of a sudden they're painfully obvious) but the XQP 531 is a wonderfully effective & useful tool...simple to operate and surprisingly intelligent in its filtering. Bottom line - it works."
"This Dane Optical De-esser is Fabulous! It's da Bomb! It's the box we've been looking for! It's 'da Man' of De-essers!
In just the two days the Dane #31 has been tested in Control Room 1 of the New York Bureau it has impressed everyone. It sounds so very smooth, can be activated while an interview is in progress - it is that silent! Very Versatile! Good on all voices tested thus far.
In short - we (Caryl and I) both recommend it and want it. We need two for Control Room One.
The Dane Optical De-esser is the best working and sounding de-esser I've ever heard.
Where do we sign?
Manoli Wetherell and Caryl Owen, NPR, Oct. 1998