Marshall JCM800 2204 - Headfirst Mods. Full play-through and DIY Guide.

A 1983 JCM800 2204 (4010) has come in for the full Headfirst mod treatment. Here in Part II, I run through the finished tones and features of the amp. The second section of the clip goes into a length description of the mods from both a schematic and wiring up perspective (for the DIY builders, modders and those that just want to learn!)

Link to documents for this mod: https://headfirstamplification.com/am...

0:00 - Intro play thru (Jose mode 1)
1:13 - What mods?
8:56 - Core gain channel tones
11:58 - Core gain with FET Boost
14:01 - Clean channel
14:46 - Jose mode 1
16:40 - Jose mode 2
19:18 - Schematic walkthrough - core circuit
30:49 - Schematic walkthrough - relay switching
42:20 - Gut shot pictures - wiring guide

https://headfirstamplification.com