500-Series Audio

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Last updated 6/19/21

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XQP modules in the Lunchbox: 570 Mic Preamp, 535 Program EQ, 541 Optical Compressor, 545 Optical Disrupter, 531A Optical De-esser, and DIYRE's Colour Palette.

XQP manufactures a range of 500-series audio modules designed to give the engineer high audio and build quality and ease of use at an affordable price.

Our products are not laden with fancy features that run up the price but don't necessarily mean a lot or that are used only on rare occassions. Rather than expensive, complicated gear with every bell and whistle ever thought of, we prefer equipment that gets results quickly, having what you need for most normal day to day functions.

New De-esser Coming Celebrating 25 Years

The XQP 2531 optical de-esser in mockup drawing and real life prototype.

A new optical de-esser model is in the works. Borrowing some of the Lima audio design features, this new 500-series module features all rotary switch control. A range switch associated with the Reduction control allows for 22 level steps by switching the Reduction rotary switch between two halves of the total range of control.

Also included in this new model is a 3-position Sidechain Feed switch to select either feed-forward (traditional), feed-back, or a blend of the two.

The original Dane #31 Optical De-esser, circa 1997, Tulsa, OK.

In 1996 Dane's first optical de-esser, the Dane #31, was designed. It became available the following year. Or it may have been the year after that. So either 2021 or 2022 is the 25-year anniversary for this optical de-esser design, depending on how you calculate. Maybe 2023.