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Marshall JCM 800 SC20H 20W all-valve "2203" head with FX loop and DI


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Ray Mullin Music - Since 1923. We OPEN, inspect, and test ALL guitars, pedals, amplifiers, etc. Our instruments are tuned, cleaned, and cared for daily in a humidity and temperature controlled room.

Marshall JCM 800 SC20H 20W

The original JCM800 2203 changed the face of modern amplifiers forever. Updated and enhanced, the Studio Classic SC20H is here to do it all over again. Replicating our first amp that truly embodied the overdriven sound of heavy rock, the portable SC20H brings timeless sounds to the modern guitarist, with the option to switch between 20W and 5W at the flick of a button.



Output wattage 20W (with power reduction option to 5W) 
Outputs 5 x 1/4” jack sockets, selectable 16Ω / 8Ω / 4Ω load 
Inputs 2 x 1/4" jack instrument inputs (high/low sensitivity) 
Controls Presence, Bass, Middle, Treble, Master Volume, Preamp Volume 
Effects None 
Effects loop Yes, series, send/return



Preamp valves 2 x ECC83, 1 x ECC83 (phase splitter) 
Power amp valves 2 x EL34



Cable Detachable power cable included, speaker cable included



Weight 9.4 kg / 20.7 lbs 
Width 510mm / 20.1" 
Height 240mm / 9.4" 
Depth 240mm / 9.4"