API Audio 527A handleiding

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Handleiding

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527A Compressor/Limiter API
2
1.0 Introduction
The API 527A Compressor/Limiter takes its place alongside the family of API VCA based compressors,
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 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" of
compression, for the highest level of flexibility in signal gain control. The "old way" or feed-back
method is what most of the classic compressors used for the gain control circuit. The "new way" gain
reduction is more typical of the newer VCA type compressors that rely on RMS detectors for the gain
control voltage.
There is a "SOFT"/"HARD" knee switch for an "over-easy" type compression resulting in a very
natural, uncompressed sound or a typical sharp knee type that lends itself to a much more severe
limiting effect.
The patented
THRUST
®
function can be switched in and out via the front panel as well, applying a filter
before the RMS detector circuit that preserves that punchy bottom end.
Two or more 527A Compressor/Limiters can be linked together via a DC link allowing multiple units to
be combined for stereo and multichannel applications.
The output level remains fairly constant regardless of the threshold or ratio control, much like the
"more/less" Ceiling control on the API 525 Compressor. This allows for live adjustments without any
noticeable gain changes in the program level.
The 527A Compressor/Limiter makes use of the 2510 and 2520 discrete op-amps and exhibits the
reliability, long life, and signature sound which are characteristic of API products.
Features
Feed-forward or feed-back compression
Hard or soft knee compression
Patented
THRUST
®
switch for frequency-dependent side chain 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

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Productinformatie

MerkAPI Audio
Model527A
CategorieNiet gecategoriseerd
TaalNederlands
Grootte2708 MB