I think it's from 74
it is missing the back plate and it does not have a serial number. it looks quite original, apart from the master volume mod. It sounds quite good, very big,
what do you think?
Hello everyone, this is my first post here
I bought this Marshall JCM800 today with .Be / Hbe sat, fat, c45 and solo bost, all fooswichable ..
But I have a question ..
inside, next to the output tranny is a pot for the "Control bias mod"
Someone can explain what is?
Thanks