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API 529

500-series Compressor
Published June 2018
By Bob Thomas

API 529

We check out API’s 500‑series version of the 2500 bus compressor.

API have made compressors for the 500‑series format for a very long time — the 525 first became available way back in the 1970s! Since then, we’ve seen the 525b, launched in the ’90s, and the 527, which was reviewed by Hugh Robjohns in SOS October 2010 (http://sosm.ag/api-527). Based primarily around the 225L compressor module from API’s highly regarded Legacy Series and Vision consoles, the 527 also included a limited implementation of API’s unique, patented Thrust side-chain filter circuit that defined the operation of the company’s revered rackmount-format 2500 stereo bus compressor. Both modules were mono designs, but API have now taken the next logical step with the introduction of their first ‘doublewide’ 500‑series module: the 529 is a two-channel, stereo-linked...

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Published June 2018