Chandler Limited RS660, matched stereo pair, stepped switch – Golden Age Music
Chandler RS660 Compressor RS660/COMPRESSOR B&H Photo Video
Chandler RS-124 EMI Compressor
MJQ LTD. - For sale [price tbc] EMI RS124 compressor, an Abbey Road original verified by Brian Gibson: "[This] RS124 compressor, serial number 62011C is undoubtedly the “real thing” and appears to
EMI RS124 ORIGINAL COMPRESSOR LIMITER FROM ABBEY ROAD STUDIOS USED BY THE BEATLES - YouTube
Original EMI-modified Altec compressor on eBay: UPDATE – Preservation Sound
Classic EMI compressor recreated by Unity Audio
The History of The RS124 Compressor - From Creation, Rediscovery & Plugin
Download RS124 Compressor by Abbey Road Plug-Ins at 440Software