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Just change those 0.022uf coupling caps, and check voltages. I think the 200V voltage rating is too low, 400V would be better, also check the 150 ohm reaistor for value and that the cathode bypass cap C10 isn't shorted. I wouldn't be surprised if the electrolytics are fine but the coupling caps could be leaky.
The plate voltage is fine, just use good tubes..
Last edited by maxhifi; 02-19-2016 at 10:56 PM.
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