Developer: Vadim Taranov (part of the "Ignite Amps" family of plugins)
Type: Preamp pedal / distortion simulator (often used as a standalone preamp into a power amp + cab sim)
Architecture: VST / AU (32 & 64-bit), Windows & macOS
Price: Free
It isn't perfect, but for the price of $0.00, the sound quality is staggering. cygnus vst
Exploring the Cosmos with Cygnus VST: The Ultimate Space Synth Complete Guide: Cygnus VST 1
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What is Cygnus VST?