06-20-2017, 07:06 AM
There's not a lot of diff in the P.I. design in Marshals. It's similar to many others. The big difference is using that Cathode Follower [ that's what it's called ] configuration in the pre-amp. It seems to make the pre-amp turbo driven.
They put the tone stack between that and the P.I.
They put the tone stack between that and the P.I.


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