Used Avalon VT737SP Class A Mono Tube Microphone Preamp

Used Avalon VT-737SP Class A mono tube microphone preamp in great condition, delivering the signature warm, polished Avalon sound for vocals, bass, and acoustic instruments. Features a high-voltage all-tube signal path with mic and instrument inputs, switchable phantom power, phase reverse, and a high-pass filter. Includes an onboard opto compressor and a sweepable 4-band EQ for smooth dynamics control and detailed tone shaping—ideal for professional studio tracking.