21 DIY Kit Sources for Pro Audio, Synth Modules & Instruments — Pro Audio Files
Supreme Compressor Kit | Effect Pedal Kits
Simple Compressor - Limiter
A Thing Called Music – Professional Audio Mastering Services in Oxfordshire, UKBuilding My First DIY Audio Compressor - A Thing Called Music - Professional Audio Mastering Services in Oxfordshire, UK
Building DIY 1176 Compressor
Sound Skulptor - Professional audio Kits
5 DIY audio kits to improve your recording - Threecircles Recording Studio