On Apr 2, 6:53�am, "Ed Engelken" wrote:
Googling the term, I see that the 52 tube seems to be an example where
both grids are brought out to individual terminals.

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The #46 is another. The 46 was popular in a number of A****er Kent
radios circa 1932-33. *Class B Push-Pull output stages in high-end
radios had a brief run in the early 1930s, then faded into history. *--
Ed

Hi RATs!

I have a huge P-P 46 vintage amp. It is not yet functioning. It is
clearly very well built

Grow up, Class "A" does not mean good, it means simple ... which,
despite some journalists' daydreams, is not exactly the same
thing ...

Happy Ears!
Al