[Boatanchors] Rare Tube?

J. Forster jfor at quikus.com
Wed Oct 9 20:54:16 EDT 2013

It a PULSE triode- many KW out, for a microsecond or two, used in pairs or
quads in Ring Oscillators. Typically several hundred MHz. It's the Big
Brother of the 15E and can only be tested with the OAW special tube
tester. It is a single triode, not a dual as shown some places.

Some Audiophools build silly amps with them.  They are not particularily
valuable...  maybe $10 - $20.

I'm crossposting to some who might be interested.




> Does anyone know anyone using Eimac 327As?
> It’s a high frequency transmitting triode, used in SC and SK series WWII
> radar sets.
> http://w5jgv.com/downloads/Eimac-appl-1-3-4-5.pdf
> There are none listed on Ebay, which surprised me.
> But one sold in the past
> http://www.worthpoint.com/worthopedia/vintage-eimac-327-vacuum-tube-perspex-244654230
> Maybe they are valuable, or worthless??
> Wilson
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