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Gibson GA40RVT tube positions?

Jack Dotson

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I just picked on of these up yesterday from Sweetwater and I would like to changed the pre-amp tubes out with some Tung-Sol's I have. However, I have no idea what the tube order is. I suspect V1 is probably the one closest to the input, but this is not always the case.


I don't really want to mess with the reverb or tremolo at this time, just the pre-amp tubes.


Can anyone help or lead me to a schematic.


BTW, this amp right out of the box is a friggin killer. I can wait until I get her broken in and some decent tubes in there instead of the solvtechs. The power amp tubes also appear to be some cheap chines brands and I'll probably purchase a replacement set for these as well.



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