Watts Tube Audio carries several replacement and DIY parts for the MARSHALL JCM800 including drop in replacement boards (loaded and uloaded),
components kits, chassis upgrade kits, power and output transformers and chassis both blank and punched.

Measures 3.125 x 11.75". Matches and mounts perfectly with our JCM chassis below.
Should also mount into original JCM.

Starting at only $29.95

Select components including Sozo capacitors, Sprague Atom capacitors,
1 watt carbon film resistors, and F&T 50-50 can capacitors.
Every component needed to complete the JCM 800 circuit.

Your choice of quality components.

Parts kits include all hardware, (6) Alpha 3/8" potentiometers, (5) 502 Cliff jacks, (3) can capacitor clamps,
(2)Marshall replacement rocker switches (one lighted), Marshall replacement impdance and voltage selector switches.
Marshall replacement fuse holders, fuses, iec socket, power cord, (6) wire hole grommets, Marshall style knobs,
(6) standoff sets and Belton octal & 9 pin sockets with shields and retainers.
Includes some very expensive parts. All parts mate with our JCM800 chassis.

MARSHALL JCM800 / 50w

We offer both Mercury Magnetics and Classictone transformers for the JCM800 50w amp.
Classictone transformers sold seperately here

Available in blank aluminum or pre punched steel. Both measure 27" x 6.75" x 2.5".
Punched version has welded corners with inserted nuts for head mounting.
Aluminum version is .090 thick and has inserted nuts for head mounting.

Punched steel. Front view.

Punched steel. Back view.

Blank .090 aluminum.

Thank you for choosing Watts Tube Audio!