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drdna wrote:

Having received a bunch of tubes, I have spent some time listening….

Yes, it looks like the Sovtek 2A3 are remarkably bad, even I with my stinky Tannoy was able to get it.  Regarding the rest of your comments I have a few questions to ask.

1)      The frosting that you detected on Emission Labs mesh plate 2A3 – is it the same frosting on the all type of cakes of the ingredients of the frosting falcate with respect to the tease of cake?

2) When you use your 2A3 then what it driver? I mean what channel/channels it drives, what the impedance and how they crossed?

3) Do you know what impedance your 2A3 sees; or what transformer ratio it has and what taps it uses if it has taps?

4) If you use your 2A3 with two channels then how do you fell your comments would be altered if you observe the 2A3 sound in context of just HF channels with no LF support?

5) You told that you went after PP2000 regenerators, have you were able to employ it yet during your observation of the 2A3 sound?

6) I am a bit confused with the whole saga of single plate and dual anodes on 2A3. Do the single plate and double plate run at the same current? It shell not be this way. Do you change currant what you go from single plate to double plate?

7) Do you have a couple of common double-plate old RCA, Sylvania, Raytheon etc tubes from 30-40s? They are not too expensive, about $100 per tube but it would be interesting to throw them into the play.

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