MB-300

About the MB-300

The VTL MB-300 is a monoblock amplifier known for its use of vacuum tubes, specifically eight output tubes, which were initially NOS GEs but later versions used KT90 tubes. It is part of VTL's lineup that emphasizes quality and refinement in audio reproduction. The MB-300 is noted for its robust build and industrial design, with features like a front-panel meter for bias checking and adjustment in some versions. It offers a sensitivity of 775mV RMS and a source impedance of 0.1 ohm. The amplifier is designed to deliver 300 watts per channel, though specific load conditions are not detailed in all sources. The MB-300 was