Quote:
Originally Posted by jmp81sc
If I were you I would add a second 12ax7 for the Phase inverter and wire up the tone stack like the Fender 5E3 Tweed Deluxe. The 5E3 uses the second half of the V1 12ax7 as a gain stage to make up for the signal loss from the tone stack. The cool thing about the Tweed Deluxe is that it has two input channels that are very interactive so even though it only has a basic tone knob it has a wide variety of sounds available.
The other thing you could do is turn it into a single ended Tweed Princeton 5F2A, not many components, has a tone knob, and really sounds good with a 10 or 12 inch speaker.
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Unfortunately, adding another tube would necessitate a new power transformer... I'm still going to try the pre-amp pedal, but I'm also looking at the circuits you suggest. I'll probably have to mock some of them up and then experiment a little.
I already drilled the chassis for the pots, but didn't add a volume control yet. I think I shall try the single knob tone control options, and then use the other hole for a volume control.