[Amps] Alpha 76A Filter Caps?
gerry at w1ve.com
Fri Nov 20 14:19:40 EST 2020
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 at usermail.com <weaverwf at usermail.com>
> 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.
> Bill WE5P
> Comfortably Numb
> > On Nov 20, 2020, at 14:10, Gerry Hull <gerry at 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
> > 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
> > Might these fit in the amplifier?
> > Thanks in advance.
> > 73,
> > Gerry W1VE
> > _______________________________________________
> > Amps mailing list
> > Amps at contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
More information about the Amps