Showing 1–30 of 31 results

MSRP: $1,299.00

Mix Knob For Parallel Compression and fully digitally controlled and isolated analog circuit.

MSRP: $1,199.00

Fully digitally controlled analog circuit and dedicated stereo plugin to manage two devices at the same time.


The Smart Research C1LA 500 Series Stereo Compressor is a two channel compressor/limiter, released to commemorate the 25th anniversary of the original C1 Stereo/Dual Mono unit, and the 50th anniversary of North American distributor, Sunset Sound. It is a versatile unit, housed in a two-module wide 500-series format, with three main modes of operation offering [...]


De-Esser/High Frequency Limiter


500 Series Tube Compressor with Hard/Soft Knee Modes, Switchable Feedback Modes, Wet/Dry Parallel Compression, and Multi-unit Linking.

MSRP: $2,195.00

Features Continuously variable detented Gain, Threshold, Attack, Ratio and Release controls, 10 segment LED meters, Over Threshold LED, Patented THRUST Switch, 3 selectable compressor curve Knee settings, Selectable New or Old switch, Selectable variable or auto compressor, Audio circuit uses 2520 and 2510 Discrete Op Amps with transformer output.

MSRP: $525.00

500 Series Module-Format De-Esser

MSRP: $1,049.00

The karacter 500 is a box full of vibrant colors. It covers a complete spectrum including mastering-grade saturation, tube-inspired distortion and glorious destruction.

MSRP: $805.00

The mpressor 500 brings the heritage of our extremely powerful rack mount mpressor into the 500 series format.


500 Series FET Compressor with Input, Output, Attack, and Release Controls; Six Compression Ratios, and Sidechain Highpass Filter


Premium quality components throughout for a crystal-clear audiophile signal path.

MSRP: $1,049.00

The xpressor 500 is an extremely versatile stereo compressor available in API's 500 series format.


Legendary SSL Buss Compressor in a 500 Series Module

MSRP: $600.00

VCA Compressor w/ Discrete Limiter

MSRP: $1,350.00

True Class A FET 500 Series Compressor Module

MSRP: $3,495.00

500 Series, 2RU Bus Compressor

MSRP: $1,049.00

The nvelope 500 is a powerful audio processor capable of making subtle or drastic changes to a sound by providing control over its attack and sustain characteristics.

MSRP: $1,180.00

FET Compressor Module with Sidechain Filter, for the 500-Series Rack

Call for Price

500 Series Module

MSRP: $1,350.00

True Class A Optical Compressor

MSRP: $399.00

Single Channel 500 Series Noise Gate Module with Variable High and Lowpass Filters, Envelope Control, Attack, Hold, Decay, and Range Controls

MSRP: $629.00

500 Series Compressor Module


500 Series Compressor

MSRP: $869.00

500 Series 4-Band Equalizer


E-Series 500 Format Dynamics Module

MSRP: $1,095.00

Features, A fully controllable compressor-limiter with feed-forward / feedback modes, Peak / RMS detection and a built in side chain high pass filter.

MSRP: $895.00

Offers Tape In, Trim, Saturation, 15/30 IPS, Blend, Soft Clip, Silk / Texture, Level / Drive Meters.

MSRP: $1,095.00

Discrete Mono Compressor with Thrust Circuit and 10 Segment LED Meter - for the 500 Series Rack.


500 Series FET Compressor

MSRP: $1,899.00

2 ELSDS-H DerrEsser's in an EL500 Powered Rack

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