ART Pro VLA II 2-Channel Vactrol/Tube Compressor / Leveling Amplifier

ART Solo VLA Multivoice Compressor Rackmount Dynamics Processor Optical FET Tube

ART Pro VLA II 2-Channel Tube Optical Compressor/Limiter Rack Unit Black

ART Pro VLAII 2 Channel Rack Mount Tube Driven Vactrol Based Compressor Used

DBX 266XS 2-Channel Compressor/Gate Rack Mount Pro Audio Dynamics Processing

Klark Teknik 1176-KT Classic FET-style Compressor

Klark Teknik DN500, 2 Channel Compressor, Expander, Limiter, Vintage Rack

Ashly SC-50 Black Peak Limiter Compressor Vintage Rack