Building your own affordable vintage audio gear - Optoproductions
the DON classics
Sound Skulptor: MU524 Vari-Mu Tube Compressor for 500 series, Effects, MU524
DIY Audio 3: Sound Skulptor CP4500
TC-500 // Versatile Tracking Compressor for 500 Series. | GroupDIY Audio Forum
DIY JLM LA500 (LA-3A) Compressor/Limiter Clone. 500 Series. even better parts! | Reverb
Choosing 500-series Modules
DIY RE OLA5 500 Series Optical Compressor - Vintage King
WesAudio DIONE Starlight - Limited Edition | Sweetwater
SSL Type VU meter S-500 dB Bus compressor (GSSL, DIY, 500 Series) | eBay
Sound Skulptor: CP4500 Stereo Bus compressor for the '500' Lunchbox - Kit, Effects, CP4500
JLM Audio Shop
Sound Skulptor - Professional audio Kits
GB-1 compressor limiter 500 series module — David Evans Audio
5 DIY audio kits to improve your recording - Threecircles Recording Studio
Racking 500 Series/Lunchbox Preamps, Equalizers, Compressor Modules: How to Instructions. – FiveFish Audio Blog
Sound Skulptor: CP4500 Stereo Bus compressor for the '500' Lunchbox - Kit, Effects, CP4500
Sound Skulptor: CP554 Diode bridge compressor (mono) for the '500' Lunchbox - Kit, Effects, CP554
f76 - DIY 500 series Urei 1176 inspired compressor | Compressor, Recorder music, Fast and slow
Sound Skulptor's MU524 Vari-Mu Tube Compressor is now available
Choosing A 500-series Chassis
DIY Recording Equipment OLA5 - 500-series optical Compressor - 2021 - Black - LA-3A / LA-4A style compressor | Reverb
Hairball Audio
Black Lion Audio Bluey 500 - 500-Series Modified "Blue Stripe" FET Lim
21 DIY Kit Sources for Pro Audio, Synth Modules & Instruments — Pro Audio Files
How to Build Your own Opto Compressor DIYRE OLA5 500 Series (LA2A, LA3A, LA4) - DIY Build Part 2 - YouTube
