Marshall ST20C Studio JTM 20W Valve Combo unburst 100 mW Green solid state

100 mW Green solid state laser

Class AB delivers a grid-biased California sound with more scooped mid-range

the amplifier can overload causing distortion and possible damage to the speaker

Broadway panels hang as easy as pictures using a choice of impalers

Precision-drilled dry vents around the perimeter of the head further reduce overtones and sustain

Marshall ST20C Studio JTM 20W Valve Combo unburst 100 mW Green solid state1x12 top loaded combo. 20W with power reduction to 5W. Celestion Creamback G12M 65 speaker. SPECIFICATION The amp that started it all is back. The JTM is a welcome addition to the Studio range, offering players authentic, smooth, and valve driven break up at lower volumes perfect for home or studio use. Creating a sound that defined a generation, the JTM delivers the legendary loud blend of crunch and clean recognized the world over. Power 20W or 5W