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Re: [Amps] Alpha 76A Filter Caps?

To: Gerry Hull <gerry@w1ve.com>
Subject: Re: [Amps] Alpha 76A Filter Caps?
From: John Bodine <john.bodine@gmail.com>
Date: Fri, 20 Nov 2020 15:24:34 -0500
List-post: <mailto:amps@contesting.com>
Mouser has them today-

https://www.mouser.com/Passive-Components/Capacitors/Aluminum-Electrolytic-Capacitors/_/N-75hqt?P=1z0wriv

On Fri, Nov 20, 2020 at 2:20 PM Gerry Hull <gerry@w1ve.com> wrote:

> Thanks Bill.   I have a 120 variac, and also a 110-to-220 transformer.
> I think I'll try the reform -- as you say, I may get lucky.
>
> I'd still like to know a good source (2020) for caps that will work if I
> need to replace them.
>
> 73, Gerry W1VE
>
>
>
> On Fri, Nov 20, 2020 at 2:16 PM weaverwf@usermail.com <
> weaverwf@usermail.com>
> wrote:
>
> > I just went through this with an ‘86 that had been on the shelf for about
> > 15 years. I checked the ESR on the caps and rewired the amp for 120 (I
> only
> > had a 120V variac) and brought it up over a few days without problem.
> Back
> > to operation at 240V with no problem. You could go this way (fuse the
> > variac appropriately low) and find out whether you need new caps or not
> > :-). You could get lucky.
> >
> > 73,
> > Bill WE5P
> >
> > Comfortably Numb
> >
> > > On Nov 20, 2020, at 14:10, Gerry Hull <gerry@w1ve.com> wrote:
> > >
> > > Hey All,
> > >
> > > I've got an Alpha 76A which has not been powered up by me in two years,
> > > and perhaps a few more by the previous owner.
> > >
> > > I was thinking of removing the tubes and bringing up the power slowly
> > using
> > > a variac to see if
> > > I can reform the caps.
> > >
> > > Or is it better to simply replace them?
> > >
> > > I've been looking for Caps.  They are not easy to find.
> > >
> > > Would
> > >
> >
> https://harbachelectronics.com/shop/misc/cp-206-set-of-six-6-210-%ce%bcf-450vdc-filter-capacitors-with-sems-screws/
> > > Might these fit in the amplifier?
> > >
> > > Thanks in advance.
> > >
> > > 73,
> > >
> > > Gerry W1VE
> > > _______________________________________________
> > > Amps mailing list
> > > Amps@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/amps
> >
> >
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-- 

Later,
        John Bodine/WU2E
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