Hi all, thanks for the replies. Rushing around at the mo but will have a proper read this evening.
Modified schematic is here -
I guess one option would be to rewire the pins on one of the 12ax7 to use the opposite triode and double the lifespan of the tube, but addressing the underlying...
Hi all,
I have a Reisong A12 (modified with the popular 'Skunkie' mods) which runs 12ax7 preamp tubes, a 5AR4 rectifier and el34 outputs.
I had the right channel 12ax7 fail about a year ago... Still worked but looked dimmer and produced roughly half volume. Had maybe 500 hours on it. Figured...
Does anyone have any feedback on the Viotti Ones now they've had them for a few months?
Photos of different finishes in situ would also be of interest!
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