[Amps] Alpha 76A 3 holer.... happy with just 2 tubes?

[Robert Dorchuck W6VY]

RF Parts has both NOS and current 8874's - neither are cheap but the NOS are a little cheaper (when they have them).  Richardson still shows them.

Bob  W6VY

--- On Wed, 6/13/12, Patrick Barthelow <apolloeme at live.com> wrote:

From: Patrick Barthelow <apolloeme at live.com>
Subject: Re: [Amps] Alpha 76A  3 holer.... happy with just 2 tubes?
To: sub1 at rogerhalstead.com, amps at contesting.com
Date: Wednesday, June 13, 2012, 9:20 AM


Thanks Roger,  I should have been more correct by saying the were no longer made, (by Eimac)

Best Regards,   
Pat Barthelow

> Date: Tue, 12 Jun 2012 17:07:54 -0400
> From: sub1 at rogerhalstead.com
> To: amps at contesting.com
> Subject: Re: [Amps] Alpha 76A  3 holer.... happy with just 2 tubes?
> 
> On 6/12/2012 10:03 AM, Patrick Barthelow wrote:
> > Friends,
> > Have an Alpha  76A for sale, with 3 tube  [8874] PA, and legitimate questions of concern are voiced,  for the very expensive finals, no longer made, by prospective buyers.
> 
> 3CX300A7s (8874's) are still listed as being made and RF parts lists 
> them but they are very expensive.
> 
> 73
> 
> Roger (K8RI)
> 
> 
> > If one of the three finals fail, is it a simple matter to just run the remaining two and an empty socket, at slightly reduced output?   Any I/O circuits need to be
> > changed/optimized for two tube operations?
> >
> > Best Regards,
> > Pat Barthelow  AA6EG

                           
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