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Old 11th Jul 2018, 4:50 pm   #5
Herald1360
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Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,535
Default Re: My WADAR Amp - a few mysteries

5A @ 6.3V looks a bit underrated for four PEN45s. Between them they'll take 7A @ 4V, then there's the front end valve heaters too. Maybe £130 wasn't quite so cheap?

Maybe change the output valves to 6L6s or even 807s?
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