From API Audio

The API 527 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 527.

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 527 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 527 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.

Connector
API 500 Edge Connector - VPR Alliance Compliant
Input Impedence
120 K Ohms, Balanced
Output Impedence
75 Ohms, Transformer coupled, Balanced
Maximum Input Level
+26 dBu
Maximum Output Level
+30 dBu
Output Fader Control Gain
-Infinity to +10 dB
Attack Times
1 ms to 25 ms
Release Times
0.3 seconds to 3 seconds
Compression Ratios
1:1 to 1:Infinity
Threshold Control Range
+10 dBu to -20 dBu
Metering
10 Segment LED Meter showing either Gain Reduction (-1 to -24 dB) or Output Level (14 to +14 dBu). Overload LED: +21 dBu
Frequency Response
+/- 0.5 dB 20 Hz to 40 kHz
Signal to Noise
110 dB
Power Requirements
3.5 Watts - VPR Alliance Compliant
Unit Size
1.5" x 5.25" x 7"
Shipping Size
4.5" x 6.5" x 10"
Unit Weight
1.8 lbs.
Shipping Weight
2.2 lbs.

Warranty

This item is sold without the Sound Pure 3-year warranty (used / B-stock / dealer-exempt). Coverage terms for items in this category live in Terms & Conditions, Section 27.

Returns

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