[NJARC] Philco Hummmmmmmmmmm

[Martin Friedman]

I should have paid more attention in chemistry class. Cadmium dioxide can be
white or red, but the stuff we often see on chassis is cadmium sulfide,
which is yellow.

-----Original Message-----
From: njarc-bounces at mailman.qth.net [mailto:njarc-bounces at mailman.qth.net]
On Behalf Of sgt88 at atlanticbb.net
Sent: Thursday, January 10, 2013 10:33 AM
To: njarc at mailman.qth.net
Subject: [NJARC] Philco Hummmmmmmmmmm

Just remember
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Hi all:

Got my 116X working all bands.

Also got a hum that's seems a rather loud...replaced the filter caps...it is
not noticeable when I pick up a station...

Is this to be expected?

What voltage rating should the filter caps be?

Also...have seen both 80 and 5Z3 in similar models...I believe the 5Z3 is
the better tube to handle the current...please advise.

And..what can I do to - adjustment wise - to make sure I've the radio
'peaked' for max reception/performance?...only have a VOM & O'scope
instruments.

Lastly...I'd like to 'polish up' the aged metal chassis...have used a Dremel
brush in the past...your suggestions welcome.

Thank you & kind regards,
Steve Tetorka

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