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Schematics

Fender Bandmaster Blackface Schematics

In 1963 Fender redesigned nearly its entire amp line. The revised Bandmaster, still a piggy-back design and designated circuit AA763, was introduced in November 1963 and was shortly thereafter refined into the ubiquitous AB763 circuit.

Marshall 1959SLP Schematics

The 100 Watt Super Lead head of the late ’60s (’68 – ’69) with the famed Plexiglas front panel, is re-issued here in all its glory. The 1959SLP ‘Plexi’ head is the amp that defines classic rock tone.

Marshall JCM2555 Schematics

The Jubilee head was released in 1987 to celebrate the 25th Anniversary of Marshall. It is heavily based on the JCM 800 of the time, featuring a very similar output section along with a new preamp.

Marshall JCM800 2203 Schematics

Playing through the 2203 is like flicking a switch for instant metal-hero status: imperious rock tones roll out effortlessly from your fingertips.

Marshall JCM800 2204 Schematics

3x2AX7s, 2xEL34s, a solid state rectifier and a big transformer. Simple. If you like to turn up, turn on, ROCK then spend the evening nodding and smiling politely at groupies you can no longer hear this is the amp for you. Some would say one trick pony. I would argue no nonsense in an area where a lot of nonsense is spoken about presets and settings. It does one thing but it does it beautifully.

Marshall JTM45 Schematics

The very first Marshall amp, made back in 1962, was the JTM45. It was an instant hit and launched a whole new generation of groundbreaking guitar players and sounds. Since then, connoisseurs of tone have sought out rare original JTM45s from the ’60s.

Marshall JTM50 Schematics

The JTM45 changed to JTM50 on panels: Black logos now changed to white script with gold coloured plating: Valves changed to EL34s and Gz34 rectifier phased out: Transformer uprated. 100 Watt production was now standardised with a single 100 Watt transformer and EL34 output valves. The 1961 and 1962 were upgraded in line with the heads and cabinets slimmed down. All cabinets now had corner locked joints. As a method of quality control all cabinets were signed inside.

Trainwreck Express Schematics

Ken Fischer
TRAINWRECK was started in 1981 as amplifier repair and modification service in Colonia, New Jersey. By 1982 I had a request by an Atlantic recording artist to build him a custom amplifier. While I had built myself amps before, this was to become the start of building amps of my own design for other guitarists.

Trainwreck Liverpool Schematics

Whether you have selected an Express, Liverpool, or Rocket, you can be confident that you now have in your possession one of the basic elements of a truly distinctive guitar tone. While it is ultimately up to each musician to make his or her own personal musical statement, we at Trainwreck Circuits believe that whatever your style and ability, you will be inspired to play better and with more passion than you ever envisioned when playing through your Trainwreck. Our goal is to provide you with an amplifier which is simple to operate, consistently reliable, and the ultimate in tonal response. Unlike most amplifier manufacturers, we build our products by hand, one at a time from the finest components and ingredients.

Amp Specs
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