AUDIOMAX 444 Tube Compressor by Past To Future
EffectTube · Compressor

AUDIOMAX 444 Tube Compressor

by Past To FutureIndie

VST3AURuns on Win · Mac

Recreation of a 1965 broadcast levelling amplifier built from its own service manual and schematics, with nuvistor tube and matched-diode modeling, a gated gain stabilizer, sidechain high-pass filtering and 21 factory presets. VST3 and AU for macOS and Windows.

About AUDIOMAX 444 Tube Compressor

AUDIOMAX 444 rebuilds a 1965 broadcast leveling amplifier from its own circuit, pairing nuvistor tubes and matched diodes with a gain stage that holds a mix steady inside a 10 dB window without pumping. It behaves as a leveler rather than a compressor: level correction, not a ratio-and-threshold curve, does the work.

A gated gain stabilizer keeps the noise floor from creeping during pauses and returns gain to zero after 10 seconds of silence. Extended controls reach into transformer saturation, diode character, circuit age and hum, plus sidechain high-pass filtering and a parallel mix blend, with up to 8x oversampling under the hood.

21 factory presets are split across seven categories such as Voice, Drums, and Bus and Master, alongside unlimited custom preset storage.

Specs

FormatsVST3AU
PlatformsWindowsmacOS Windows,macOS
Apple Silicon nativeYes
Released
DeveloperPast To Future

Image: Past To Future Plugins

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