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Richardgr · 3rd Jan 2021, 10:42 pm

As Ed pointed out, the spec of the transformer for a PSU should be min 100ma, maybe 200ma.

I don't think heater winding taps should be necessary, but a means to produce a regulated heater supply up to 50V, such that lower voltages had higher currents.

It requires a new implementation.

3rd Jan 2021, 10:42 pm	#1614
Richardgr Heptode Join Date: Oct 2019 Location: Täby, Sweden Posts: 709	Re: The "Sussex" Homebrew Valve Tester. As Ed pointed out, the spec of the transformer for a PSU should be min 100ma, maybe 200ma. I don't think heater winding taps should be necessary, but a means to produce a regulated heater supply up to 50V, such that lower voltages had higher currents. It requires a new implementation.