Marshall Jcm 800 Circuit Diagram. I want to repair jcm800 2210. 332006 114549 am.
Component numbers on the schematic and layout match. For this 1 watt micro amp the following changes to the jcm800 circuit were made. Twist filament wires together tightly.
R5 stock 470k unchanged r6 stock 10k changed to 27k c6 48 uf cathode bypass cap added measured r8 stock 10k1w changed to 22k r26 stock 47k.
204 rows marshall tube amp schematics hoffman amps tube amp schematic library. Only the late model ic type is on the web. How did it sound compared to yor 4212. Was yor first 4210 the first circuit of the split channel marshall since the circuit of this amp was changed in 1984 i think.