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drdna wrote:

Well, and I have a dozen of them sitting here next to my desk while I am building my Milq amp s-l-o-w-l-y so I guess I will discover my audio intelligence level sometime after the New Year.

That is so cool that you Adrian and Jim look like will try to drive with Mil’s input stage the 2A3; I never hear it and I would be very exited if I have change to do so, or at least to hear from other how it was. I would even like people try AD1 instead of 2A3, though the 2A3 is very good tube as well if one have right loudspeaker.

I do not think that I will do it as to me 8W if not here and not there, well, if I move in a much larger room where my single-stage amp will not have enough power (2.5W) then I might consider something like this…

My only concern with all of you guys experimenting with 6E5P-2A3 is that 6E5P is 30-35 time gain tube and 2A3 is relatively low biased tube. Driving with 6E5P-2A3 tandem a 110dB sensitive MF driver is fine but driving with sub 100dB sensitive upperbass driver might be problematic. With moderate 2V on the 6E5P grid the 2A3 dive into class A2 – and it will be very quite frequently or in some cases continues. If you wish then ask Dima to share his “kinky” invention of “coupling capacitor class A2 conditioner”– it might be a useful thing.

Anyhow, please share your thoughts about the 6E5P driver. Do not forget that the milking bias for 6E5P around a grid resistor using Gas tube voltage’s dumping was invited to make the 6E5P to sound right against the 6C33C power triode.  It is possible then other output tube might demand a different biasing application for 6E5P, I have no judgment about it as I did not try other output tube. Here is where you guys come alone…

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