Chameleon Labs 7802 2 Channel Stereo OPTO TUBE Compressor

Analogue Addicts Opto Compressor - 1960s Valve Tube

Chameleon Labs 7720 Stereo Compressor w/ Power Supply! - good!

Chameleon Labs 7720 Stereo Compressor/Limiter Rackmount Analog 2-Channel 1U

Chameleon Labs 7602 MKII Neve Carnhill Transformers (Preamp, Line in, Output)

ART PRO VLA II 2 Channel Vactrol Based Tube Opto Compressor Mint Condition

Aphex 230 Master Voice Channel Tube Mic Pre/Comp/Eq/Aural Exciter/Big Bottom

TL Audio FatTrack - Tube Summing Mixer + DO-F Firewire Card - Analog Valve W/mth