$30 · ART Tube MP Studio

The original ART Tube MP put professional-caliber tube preamplification into the hands of thousands of musicians and recordists who wanted great tube tone in a compact and flexible package. The Tube MP Studio extends the range of applications by adding an output protection limiter (OPL) to precisely control output peaks, and analog VU metering to aid in setting and maintaining proper signal levels. good physical condition untested as power cable was lost