API 529 — Compressor
Dual-slot 500 Series stereo compressor based on API's 2500 topology, featuring selectable feed-forward/feed-back modes, three knee settings, and THRUST side-chain filter with full control over gain, threshold, attack, ratio, and release.
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
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What cables, mounts, power supplies, or licenses are included?
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Is the current retailer listing new stock, demo stock, open box, or special order?
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Description
The API 529 is a dual-slot 500 Series stereo compressor based on API’s 2500 topology. Its front panel provides gain, threshold, attack, ratio, release, meter, and output controls, plus selectable feed-forward/feed-back compression, three knee settings, and the THRUST side-chain filter. API specifies 80 kΩ input impedance, 50 Ω output impedance, +4 dBu operating level, and +26 dBu maximum input and output levels.