On Fri, 14 Apr 2006 13:34:42 +0100, "n cook"
wrote:

Monitoring phones outlet, all effects and classic amp colourations are
functioning so the valve is presumably an expensive and highly inefficient
indicator, for show only, the maximum DC on any of its pins wrt ground
is -15V

No experience with the VOX amp, but in the 50's I do remember a
pop'tronics article on using tubes "starved for voltage" They had a
radio with a plate supply of +12 volts driving a single transistor
class A transformer coupled output.

I don't remember which tubes they used, but they were standard 6 & 12V
filament parts.
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