[Hallicrafters] Capacitors and HT-37

[Mark Bell]

Not sure what your point is.   If anyone goes looking for direct 600V
replacement caps, you're going to have a devil of a time finding them.   An
equivalent circuit is the way to go.   Yes Mouse may have them up to 500V,
but I doubt 600V !!

Mark K3ZX

----- Original Message -----
From: "Glen Zook" <gzook at yahoo.com>
To: "Mark Bell" <bell at blazenet.net>; "Bill" <k2wh at optonline.net>;
"Hallicrafters" <hallicrafters at mailman.qth.net>
Sent: Sunday, October 12, 2003 7:23 PM
Subject: Re: [Hallicrafters] Capacitors and HT-37


> They aren't big any more, but Mouser definitely has
> filter caps up to 500 volts at the values necessary.
> Any higher voltage original caps were actually 2 caps
> in series in the same cardboard tube although they
> said "700 volts" or something similar on the outside.
>
> The modern electrolytics are much closer in tolerance
> than the old ones and are about 15 to 20 percent the
> size of the old ones.  Old capacitors had a tolerance
> of -50/+80 percent.  The new ones come in either +/-10
> or +/-20 percent.  Those in the 20 percent range work
> fine and cost less than half of those in the +/-10
> percent range.
>
> I use them all the time in repairing boat anchor
> equipment.  The newer capacitors certainly do not
> "look like" the older ones, but they definitely work.
> In fact, they work better than the originals.
>
> Glen, K9STH
>
>
> --- Mark Bell <bell at blazenet.net> wrote:
>
> I don't think Mouser carries the big filter caps, at
> least they didn't when I was working on my HT-37.
>
> =====
> Glen, K9STH
>
> Web sites
>
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