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

Tue Mar 15 15:10:21 EDT 2011

Thanks, Bob!  I found all of those save the last one. Based on the data sheets, 
I think they are all too big, but I will have to measure the chassis opening 
again to be certain. A bit too small is fine, but too big won't do

Yes, there is a practical limit to keeping these rigs original. Stuff made of 
unobtainium breaks or wears out and, well, we have to find substitutes. My main 
concern is finding something that more or less fits the opening. Pin placement 
or type isn't really a concern as I'll adapt to whatever I can get. 

73,

Kim Elmore N5OP

----- Original Message ----
From: Bob Macklin <macklinbob at msn.com>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Tue, March 15, 2011 12:36:37 PM
Subject: Re: [AMRadio] Two-Prong Receptacle on back of Globe Champ 350

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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