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Station X · 10th Sep 2019, 8:06 pm

OK. If you let us have some voltage readings for the valves we'll be able to tell whether they're drawing anode/screen current and whether the bias is correct.

What is the driver valve? I don't recollect seeing it mentioned. Only EZ80 and EL84.

10th Sep 2019, 8:06 pm	#130
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,287	Re: Shaftesbury 519 amplifier OK. If you let us have some voltage readings for the valves we'll be able to tell whether they're drawing anode/screen current and whether the bias is correct. What is the driver valve? I don't recollect seeing it mentioned. Only EZ80 and EL84. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.