Kolin is a free vintage-style limiting amp plugin emulation of the Collins 26U-1 Vari-Mu compressor/limiter from the 1950s and early 1960s.
The plugin carefully emulates the original equipment circuit, transformers and tubes. Unlike the original hardware, Kolin comes with attack & release, dry/wet mix, and HPF sidechain, allowing more control over the signal.
- Attack time (A-Adjust) from 1 millisecond to 50 milliseconds
- Release time (R-Adjust) from 0.1 seconds to 3 seconds
- Mix to blend dry/wet signal
- High-pass sidechain from 20Hz to 500Hz
- External sidechain
- Input: 40dB gain compensated input control
- Output: +/- 20dB output control
- The “Analog Obsession” label is clickable; it engages oversampling (4x)
Kolin is available in VST/VST3, AU for macOS, and VST/VST3 for Windows. This plugin is part of the NOS Bundle at Analog Obsession.
Supported platforms & download
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