Marshall Amp Schematics


This collection is far from complete, but will be updated as time and resources permit.

Cool little FET buffer schematic here

2/22/2005 - added revised 2550 schematics for amp serial numbers 3100 and up.

   


 

1959SLP preamp
1959SLP power & psu
1959 std preamp
1959 std power & psu
1962 valve trem combo reissue
1987X preamp
1987X power & psu
1987 std preamp
1987 std power & psu
2100SL-X preamp
2100SL-X power
2100SL-X power (cont'd) w/EL34
2100SL-X power (cont'd) w/5881
2203 preamp
2203 power & psu
2204 preamp
2204 power & psu
2205 preamp
2205 power & psu
2210 preamp
2210 power & psu
2500SL-X preamp
2500SL-X power
2500SL-X power (cont'd) w/EL34
2500SL-X power (cont'd) w/5881
2550, 2553, 2558 amp (std and Jubilee)
2550, 2553, 2554, 2558,  serial# 3100 and up
2550 Power Supply
2554 amp (std and Jubilee)
2555 amp (std and Jubilee)
2555 psu (std and Jubilee)

4001 amp
4010 preamp
4010 output & psu
4100 complete (3 schematics)
4500 complete (3 schematics)

JCM2000 (complete - 5 schematics)
JTM30 preamp
JTM30 power & psu
JTM45 amp
JTM60 preamp
JTM60 power
JTM60 mains & output
Valvestate VS65 pre & power
Mesa-Boogie Dual Rectifier