[AMRadio] Two-Prong Receptacle on back of Globe Champ 350

Tue Mar 15 13:19:15 EDT 2011

Hi Bob,

I look forward to getting it on the air, complete with the Hammarlund HQ-170 
receiver that has been its companion since 1959.

73,

Kim Elmore N5OP

----- Original Message ----
From: Bob Peters <rwpeters at swbell.net>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Tue, March 15, 2011 11:11:18 AM
Subject: Re: [AMRadio] Two-Prong Receptacle on back of Globe Champ 350

Kim...Will be anxious to work you Globe Champ to Globe Champ... I live in
Dallas and have a champ 300A that I dearly love that was fully restored by
Jim W5JO in Sulpher OK.
I am on 3.890 every Saturday and Sunday AM... I am the one of the NCS's of
the Texoma Traders Net on Saturday AM. We always have between 30 and 40 guys
on. Great Sounding AM and lots of Globes!!!! 300's, 400's and 500's Leo
would be impressed...

Bob W1PE

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Kimberly Elmore
Sent: Tuesday, March 15, 2011 10:53 AM
To: Discussion of AM Radio in the Amateur Service
Subject: [AMRadio] Two-Prong Receptacle on back of Globe Champ 350

I've been going over my Dad's (W5JHJ SK) Globe Champ 350  getting it ready
to 
put back on the air. Every eloctrolytic capacitor had been replaced by him
as 
they all look new and modern. The paper capacitors have been left as is. He 
replaced the oil-filler filter caps with much larger electrolytics. All of
the 
resistors look brand new and as far as I can see nothing is amiss. The old 
selenium rectifiers for the bias supply were replaced long ago and I see
evidene 
of some other minor part substitutions. He was the only owner of the unit,
so 
all changes are his. I know that he also disabled the SSB position of the
mode 
switch. Also, noneof the knobs on th efront are original -- one may have
broken 
at some point and he then chose to replace them all.

There is one minor part that needs replacing, however. On the rear of the 
transmitter, in the lower right corner (facing the back of the unit) is a 
switched AC receptacle, just above the plug that controls the mute line for
the 
receiver.  While I was moving the transmitter that receptacle was damaged.
He 
used it to plug in a squirrel-cage fan to aid cooling the transmitter and
power 
transformer. I have looked in my Mouser catalog for a replacement but
haven't 
found anything that is a drop-in fit. The opening is 3/4" wide, 3/8" tall
with 
holes 1 1/8" apart for 6/32 screws that can be used for mouting ears. I've 
looked carefully at the receptacle and have found no part numbers. The only 
markings I can find are the manufacturer's name "KULKA" and the
rating"125VAC 
15A" on one face and the UL insignia in the center of the front, between the
two 
slots that receive the prongs of the plug. It's an otherwise standard, 2-pin
AC 
receptacle. It's made of Bakelite and is probably original. I could probably

epoxy it back in in a pinch, but I truly want to avoid that and do this
right.

Anybody know where I can find another one of these?

73,

Kim Elmore N5OP
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