Solid State Logic (SSL) - The SSL Bus Compressor has a simple purpose, it makes mixes sound bigger and more coherent, with power, punch and drive. Often imitated but never equalled, the
SSL G-Master Buss Compressor Plugin - Waves Audio
SSL G-Comp 500 Series Stereo Bus Compressor Module - Vintage King
SSL XLogic G Series Stereo Bus Compressor
THE BUS+
The SSL Bus Compressor: A Classic For a Reason - Gobbler
SSL 500-Series Bus Compressor MkII – Thomann United States
SSL G Bus Compressor: Why Is Everyone Obsessed With This Thing? - YouTube