[ARC5] 6AC7 and 6AB7

[Mike Everette]

Not sure if I recall any articles about the 6AC7 in a VFO.  Are you possibly confusing it with the 6AG7?  That was a very popular oscillator tube and worked great in a VFO.  I built a couple with 6AG7s, so can testify to it.

73

Mike
W4DSE

--- On Wed, 2/6/13, Geoff <geoffrey at jeremy.mv.com> wrote:

> From: Geoff <geoffrey at jeremy.mv.com>
> Subject: Re: [ARC5] 6AC7 and 6AB7
> To: "Ken Gordon" <kgordon2006 at frontier.com>, "Sandy" <ebjr37 at charter.net>
> Cc: "ARC-5 List" <arc5 at mailman.qth.net>
> Date: Wednesday, February 6, 2013, 7:23 PM
> 
> 
> > On 5 Feb 2013 at 20:40, Sandy wrote:
> > 
> >> From what you are describing, it should be a very
> excellent "VFO" oscillator
> >> then?  Never thought to try one like that!
> >> 73,
> >> Sandy W5TVW
> > 
> > There were several articles in old QSTs, some of which
> ended up in old ARRL Hancbooks,
> > which detailed VFOs built using 6AC7s.
> > 
> > Ken W7EKB
> 
> 
> Even the 6SK7 was a semi popular VFO tube.
> 
> Carl 
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