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Purple Audio

Purple Audio 5C1 - Action

FET Compressor

Compressor / Limiter

$775Manufacturer list price

Specifications

Type
Compressor / Limiter
Description
FET Compressor
Topology
discrete (constant-impedance 600Ω input attenuator into input transformer; FET gain-reduction cell; class-A KDJ3 opamp buffer; class-AB KDJ4 output opamp; custom output transformer)
Signal path
Analog
Channels
1
Channel format
mono, stereo-linkable via edge connector pins 3 & 6
Form factor
500-series module
Connection
500-series edge connector
Powered
500-series rack powered
Impedance (Ω)
600 (input and output)
Country of manufacture
USA

Details

Controls: Input, output/makeup gain, attack, release, ratio buttons (4:1/8:1/12:1/20:1/all-in for ∞:1), compression on/off, true relay bypass, 8-stage gain reduction LED meter, input/output tricolor LED meter

I/O: 500-series edge connector I/O, transformer balanced

Notes: 500-series module. Total gain 45dBu; attack variable 800–20 microseconds; release variable 1.1s–50ms; current draw 90mA at ±15/16VDC; over-current resettable fuse; RoHS compliant. Price ($775) from studiologicsound.com dealer listing; a separate web aggregator (Equipboard/Odyssey) showed $825 — flagged discrepancy, lower-confidence figure not used.

Where to buy

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