A Marshall Studio Classic SH20H has come in for the HF treatment. For this one we've hot rodded the JCM800 2203/2204 core circuit and then added a 3 way José zener clipping switch to the rear of the amp. Part I of the clip is a selection of tones from the modded amp including a comparison to the stock amp, part II walks through the mods and shows you how to implement them!
Head over to our website for downloads of the schematics and pics from this clip.
0:00 Modded amp, no clipping
0:30 Stock amp
0:45 Modded amp, no clipping
2:13 Intro to the mods
4:02 First José clipping mode
5:24 Second José clipping mode
6:31 Schematic overview
11:40 Gut shot pics and DIY guide
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