[ARC5] 12 V Power pentode.

[Howard Holden]

The 837 is a 12V filament power pentode, with the suppressor on a separate 
pin, and has 12W plate dissipation. Only thing is, it's a 7 pin base like a 
1625. 837s are available without breaking the bank. Among other places, used 
in the TBW and GO9.

Howie WB2AWQ

-----Original Message----- 
From: Phillip Carpenter
Sent: Sunday, April 10, 2016 3:34 PM
To: Arden Allen
Cc: Arc5 at mailman.qth.net
Subject: Re: [ARC5] 12 V Power pentode.

There is a 12F6 tube available!

Phillip W4RTX

Sent from my iPhone

On Apr 10, 2016, at 6:27 PM, Arden Allen <gumbear at pacbell.net> 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?
>
> Two tubes immediately come to mind, Dave.  The 12V6 and the 12A6.  But 
> both are beam tubes.  So what's the matter with a beam tube for your 
> application?
>
> Arden Allen
> KB6NAX
>
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