[Harp-L] Re: Vibrosonic



Frank E said some things I disagree with.

I don't think it is necessary to prepare an amp that uses 12ax7 tubes
to use 12au7 tubes.

Changing a rectifier in a class AB amp WILL change the operating
voltage as well as current.

Reducing the operating voltage may be a GOOD thing for harmonica use
and is a common practice.

Jim R




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