In Reply to: RE: Actually, 5Y3's heat up instantly, too.......... posted by Another_Mike on September 20, 2007 at 08:10:10:
the 5v4 or 5AR4 will raise the B+ voltage and will likely alter the bias voltages of the tubes and may not be what the amp or preamp designed for.
so play safe than sorry.
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- No Don't do it because - lovetube 09/20/0717:10:25 09/20/07 (0)