[Hallicrafters] Paper cap substitutes on 50 kHz if Hallis?

[Jack Schrader]

I too would like to see comments as I changed all of the Tiny Chief caps in
my 101 and it seems to work just fine.

Jack w1jhs
----- Original Message -----
From: "kwylow zinjanthropus" <catman351 at yahoo.com>
To: <hallicrafters at mailman.qth.net>
Sent: Tuesday, May 13, 2003 8:35 PM
Subject: [Hallicrafters] Paper cap substitutes on 50 kHz if Hallis?


> All:
> I read something of interest recently on Electric Radio.It concerns us
changing the paper caps out on 50Kc if Hallicrafters Radios (SX-100, 101,
111, etc) with the newer plastic ones we see in various places like Antique
ES.
> FYI, the old paper caps were described in the article as being more of an
RLC combo rather than just a plain old cap and the engineers literally had
to incorporated those characteristics into the receiver. The newer caps were
far closer to an ideal C than the older stuff so say a .01uF cap in the old
days would have some inductance and resistance inherent in it's design while
the new mylar caps would be closer to the .01uF without any significant L or
R. Apparently, changing out to the new caps can have a negative effect on
those aforementioned rx's. Anyone care to comment on this? Thanks. Cal,
N6KYR.
>
>
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