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trobbins · 14th Jul 2018, 1:39 am

Those anode caps are great for hiding an anode stopper - just the ticket for 807's.

It took 17 valves for me to end up with a reasonable dual and a quad to idle at 460V/300V. I wanted the dual to both idle and mu match as it was going in to a pentode mode Williamson.

14th Jul 2018, 1:39 am	#11
trobbins Heptode Join Date: Oct 2009 Location: Melbourne Australia Posts: 901	Re: Testing 807's. Those anode caps are great for hiding an anode stopper - just the ticket for 807's. It took 17 valves for me to end up with a reasonable dual and a quad to idle at 460V/300V. I wanted the dual to both idle and mu match as it was going in to a pentode mode Williamson.