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Jan 21st, 2018, 12:23pm

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Hot Rod

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xx Power amp tubes
« Thread started on: May 4th, 2009, 01:36am »

I am just after information if anyone has it.
I am presently using a soldano SP 77 into the power amp section of a marshalll mk 2 super lead.
The power amp valves have not been changed for 10 years.
What sort of differences and were likely to hear if I go to the trouble of changing them and biasing the amp?
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xx Re: Power amp tubes
« Reply #1 on: May 4th, 2009, 03:55am »

Well, that could range anywhere from "none" to "night and day" depending on the state of your current set of powertubes and their biasing.

There's only one way to find out really and that's to go ahead and try it.

Good luck !

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