Looking for a schematic diagram for 12XXX series Plexi 100 w

JMP amplifiers, 1959/ 1987/ 1992/ 1986 (non-MV) 2203/ 2204 (MV)

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axerob60
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Looking for a schematic diagram for 12XXX series Plexi 100 w

Postby axerob60 » 24 Sep 2012, 18:17

I am new to this forum..First I would like to say hello to everyone here. I have been building amps for some time. I would like to tackle a 1959SLP build next, but cannot find a schematic diagram for the 67/68 12XXX series amplifier. I understand that there were many changes to these amps during the early years of production, not always improving the tone. Does anyone have a logical suggestion to build a copy of Mr. Van Halen's Marshall amplifier?

GuitarBuilder
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Re: Looking for a schematic diagram for 12XXX series Plexi 1

Postby GuitarBuilder » 24 Sep 2012, 19:56

Check the Roadhouse Schematics Library......
Marshall 6100LM - 1960A Cab/G12T75
Marshall JVM-1H - Avatar G212 Cab/G12T75
Marshall JTM-1H - 2061CX Cab/G12H30
Marshall JMP-1H - 2061CX Cab/G12M20
Marshall JCM-1H - Avatar G212 Cab/Vintage 30
Marshall DSL-1H - Avatar G212 Cab/G12T75
BOSS Katana 100W Head

Kemper Profiler Rack

Custom Rockman Stage Head
Rockman Superhead 100W
Custom ADA MP-1, MP-1C, MP-2 Stage Head

Roland GR-20, GR-55, VG-99, BOSS GP-10, SY-300 Synths

Lots of Les Paul's and Strats

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Re: Looking for a schematic diagram for 12XXX series Plexi 1

Postby Soulcaster » 24 Sep 2012, 23:50


MARSHALL AFD100
REYNOLDS SKUNKWORX MODDED PLEXI100
MARSHAL CLASS 5
MARSHALL JCM900 4500
MARSHALL SLP1959
MARSHALL JCM800 2203
MARSHALL 2555x

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Re: Looking for a schematic diagram for 12XXX series Plexi 1

Postby Herbvis » 08 Oct 2012, 11:19

The truth about EVH's #1 Marshall revealed
http://forum.metroamp.com/viewtopic.php?f=16&t=40379
Gibson Les Paul 59 RI
Metro 2203 (3 channel Footswitchable with 1959 mode/2203/#36 AFD) Mods performed by Myself.
Marshall 1960BV with Rola G1280's
Earthquaker Devices dispatch master
Catalinbread Super Chili picoso Boost HBE Paul gilbert Detox
Slash Wah v2
Modtone Wah
BYOC TS808
Boss Super Chorus
ISP Decimator
Roland SRV2000 reverb rack

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