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

Tue Mar 15 13:36:37 EDT 2011

There is a practical limit to keeping these old radios original.

Mouser does have 3 possible alternates:

161-RU0298-E
161-RU0299-E
161-RU0297-E

There are modern power sockets made for the same purpose.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Kimberly Elmore" <cw_de_n5op at sbcglobal.net>
To: "Discussion of AM Radio in the Amateur Service" 
<amradio at mailman.qth.net>
Sent: Tuesday, March 15, 2011 10:17 AM
Subject: Re: [AMRadio] Two-Prong Receptacle on back of Globe Champ 350

> Nope, it's rectangular. There must have been some sort of ears or slots 
> that
> held it in place, but I can't find any pieces to help reconstruct it. It 
> appears
> to held in place by a small, thin sheet metal piece with small ears on the
> inside. The receptacle may have had small slots on the short side that 
> these fit
> into. I've seen stuff like this all over -- I simply need one that fits 
> the
> hole.
>
> I double check what looked like paper caps. I always thought that paper 
> caps had
> to be dry to work -- is the paper inside wet?
>
>
> 73,
>
> Kim Elmore N5OP
>
>
>
> ----- Original Message ----
> From: BILL GUYGER <bguyger at sbcglobal.net>
> To: Discussion of AM Radio in the Amateur Service 
> <amradio at mailman.qth.net>
> Sent: Tue, March 15, 2011 11:09:50 AM
> Subject: Re: [AMRadio] Two-Prong Receptacle on back of Globe Champ 350
>
> Kim
>
> Is the recepticle round and looks like a flanged octal tube socket but 
> with the
> standard Edison parallel blade contacts vs. the normal ones you might 
> expect to
> see in a tube socket? If so, I may have one in a goody bin. I know I've 
> seen one
>
> somewhere in the recent past. If I can find it you're welcome to it.
>
> Also, The paper caps absolutely need replacing. They dry up perhaps even 
> more so
>
> than electrolytics.
>
> Bill AD5OL
>
>
>
>
> ________________________________
> From: Kimberly Elmore <cw_de_n5op at sbcglobal.net>
> To: Discussion of AM Radio in the Amateur Service 
> <amradio at mailman.qth.net>
> Sent: Tue, March 15, 2011 10:53:10 AM
> 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 Every eloctrolytic capacitor had been replaced by him 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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