Used Avalon VT737SP Class A Mono Tube Microphone Preamp

The Avalon VT737SP is a premium Class A mono tube channel strip combining a vacuum tube preamp, opto-compressor, and 4-band EQ in one unit. This used unit is in excellent condition, delivering warm, detailed tone ideal for vocals and instruments. It features high-gain, low-noise tube circuitry, balanced XLR I/O, and a high-impedance DI for instruments. With smooth compression and musical EQ shaping, the VT737SP remains a studio favorite for professional-grade audio performance.