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JCM800 2210 guts shot 1

JCM800 guts A1 .jpg Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2 Marshall factory 1961 cabinet examples Thumbnails JCM800 2210 guts shot 2

Had the JCM800 chassis out to repair a speaker jack (Note to stage hands & roadies: NEVER pick up an amp without first checking to see if everything is unplugged from the rear!). You can see my channel switching toggle switch mod, the burned circuit board that prompted that mod (caused by a cold solder joint on the PCB wire joints which resulted in a burning resistor fire), and the two trim pots I installed for biasing EL34's (was 6550's stock). Click size icon above left for larger image.

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