The ART Tube MP/C is a compact, single-channel microphone preamp and optical compressor designed to add analog warmth to studio recordings or live audio. It combines a tube-driven preamplification circuit with a smooth, Vactrol-based optical limiter to control volume peaks while tracking vocals and instruments.Key FeaturesTube Warmth: Uses a 12AX7a vacuum tube to add analog character, richness, and up to 80 dB of gain.Optical Compression: Features an adjustable optical circuit with compression (2:1) and limiting (11:1) modes.Versatile I/O: Equipped with XLR and 1/4" inputs and outputs, allowing it to function as a mic preamp or a direct injection (DI) box for guitars and basses.Essential Tools: Includes +48V phantom power, a phase invert switch, and a 70Hz low-cut filter to eliminate rumble.