Michael what B+ do you use: 250VDC and 70mA?
I'm using the gyrator v2 so my B+ is not that critical.
I'm running my 4P1L on 30mA each which I believe is sufficient.
So 70mA seems to be a fair amount of current for a set.
Don't know what is preferable for transformer output, as I am using
a Cap output version.
Well, that's a start. That's the PSU for the Gen 3 version, 235v. The schematic you posted was closer to the Gen 1b 250v.
http://www.bartola.co.uk/valves/wp-content/uploads/2015/02/4P1L-Siberian-Gen1b-v01.png
Still 70mA?
?
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