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Single Ended Triodes (SETs), the ultimate tube lovers dream.

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RE: Dennis talks 2A3... post-RMAF 2016

Posted by Tre' on December 24, 2016 at 20:02:04:
Dennis said " First of all, most NOS 45's, 2A3, 300B, etc., have a rectangular
plate structure, and usually a rectangular grid structure.

So far, so good. Now, what happens when we insert a non-symmetrical
part into this desirable arrangement-- we place into it a filament structure that is made like a cheap toaster-- a folded-up filament
mess that is "M" or "W" shaped. "

My question is,

What is the shape of the electron cloud?

Just because the filament is "a non-symmetrical part" doesn't mean the cloud is "non-symmetrical" and keep in mind the electrons do not go from the filament to the plate. They go from the electron cloud to the plate.

If the electron cloud fills the space between the filament and the grid in an even way then the fact that the filament is "a non-symmetrical
part" won't matter.

Tre'