G-SSL Compressors - custom build by Benden Sound Technology
DIYRE G Bus pre-orders
DIY SSL Bus Style Compressor build (Sound Skulptor CP4500) Studio Part I - YouTube
Nekotronics SSL compressor clone « Neko Neko
Sound Skulptor: CP4500 Stereo Bus compressor for the '500' Lunchbox - Kit, Effects, CP4500
Gyraf GSSL Buss Compressor - DIYRE Wiki
SSL 4000 G Bus Compressor Clone PCB DIY | Reverb
Stovepipe Studios - Meanwhile back in 'Nerdsville' a little DIY project has been brewing. A Serpent SB4000 SSL style buss compressor of the type originally fitted to SSL 4000 Series consoles. Now
GSSL bus compressor with Turbo Mod build – Laurens Primusz