Applied Research Technology (ART) Model 215 Hybrid-Tube Channel Strip

ART Pro Channel Preamp Bass Voice Model 215

ART PRO MPA II Tube Preamp – Great Sound / Cosmetic VU Meter Issue

ART VoiceChannel Tube Channel Strip

ART PRO CHANNEL PREAMP w power cord model 512

Voice Channel Model 165 Tube Channel Strip W/ Digital Connectivity Pre Amp

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ART Dual MP - Two Channel Tube Microphone Preamp Model 254 (TESTED-WORKING)