[ARC5] 12 V Power pentode.

Phillip Carpenter carpenterpa at tds.net
Sun Apr 10 09:03:59 EDT 2016


Ken,

All I could come up with was the 12BY7 9 pin miniature and the 25A6 octal which has a 25 volt filament.

Respectfully,

Phillip

Sent from my iPhone

> On Apr 9, 2016, at 11:47 PM, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:
> 
> Does anyone here know of a power-pentode, which is 1) not a beam-tube, 2) 
> has a 12.6 V filament, and 3) might have an octal base?
> 
> #3 isn't all that important: I can build an adapter. But #s 1 and 2 are. And #1 
> is of prime importance.
> 
> I can't think of any.
> 
> Anyone?
> 
> Kenneth G. Gordon W7EKB
> 
> "Courage is being scared to death but saddling up anyway."--- John   Wayne
> 
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