API 527A - Discrete Compressor/Limiter Module for 500 Series

The API 527A Compressor/Limiter takes its place alongside the family of API VCA based compressors, including the 225L compressor and 529, 2500, and 2500+ stereo bus compressors. Anyone familiar with these units will immediately be at home with the 527A.Features: Feed-forward or feed-back compression Hard or soft knee compression Patented THRUST® switch for frequency-dependent sidechain control Continuously variable, 31 position detented THRESHOLD control Continuously variable, 31 position detented RATIO control Continuously variable, 31 position detented ATTACK and RELEASE controls Continuously variable, 31 position detented OUT (output) level control 10-segment gain reduction/VU meter (GR/Output) Overload LED IN switch with soft and hard relay bypass Audio circuit uses the 2510 and 2520 discrete op-amps Features common to the line include "feed forward" (NEW) and "feed-back" (OLD) gain reduction methods selectable on the front panel, provide a choice of "that old way" or "the new way"