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Does anyone recognize this 3 prong power connector?

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Posted on January 29, 2015 at 13:52:54
Michael Samra
Dealer

Posts: 36118
Location: saginaw michigan
Joined: January 30, 2005



It goes on the back of my Sencore LC102 capacitor analyzer..It works fine thru the 12vdc connector but I want to use it thru the 18vdc connector.The pins in the photo look larger in diameter than they actually are. The connector looks to be about 3/8 inch to 1/2 inch in size.

"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

 

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RE: Does anyone recognize this 3 prong power connector?, posted on January 30, 2015 at 07:44:40
Garg0yle
Audiophile

Posts: 859
Joined: December 1, 2014
 I think it is probably a obsolete pre type IEC connector.

Looks European, 1950s/1960s due to the largish pins.

The pin locations (~11mm equilateral triangle) look similar to an obsolete Bulgin connector. These are round but possibly be trimmed to fit.
Obviously that's not really ideal, so for practical purposes replacement of the socket may be the way to go.
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RE: Does anyone recognize this 3 prong power connector?, posted on January 30, 2015 at 10:35:14
Richard P
Audiophile

Posts: 476
Location: Upstate NY
Joined: October 8, 1999
 I'll disagree. My Sencore LC-103 made in the late 90s uses the same exact connector. Perhaps the style has been around a while, but it's by no means obsolete - you first need to figure out what it's called and go from there. Contact Sencore - they're usually forthcoming with information; I've had them service their own obsolete equipment (like 30 years old) and they are efficient and reasonable.

 

RE: Does anyone recognize this 3 prong power connector?, posted on January 30, 2015 at 12:55:43
Michael Samra
Dealer

Posts: 36118
Location: saginaw michigan
Joined: January 30, 2005
 Richard
I did contact sencore and they can't identify it anymore as they no longer support test gear since they merged and were bought out..It's sad because Sencore of my favorite test gear for ease of use and serviceability.
I can get it working tho but I hate soldering wires to the board for this.I can also use the 12vdc in the center where the portable battery pack goes.That's how I have run it for the past 3 years.
I use this a lot but I'm not paying 76 dollars for their power supply which was only 36 dollars 4 years ago.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

 

RE: Does anyone recognize this 3 prong power connector?, posted on January 30, 2015 at 13:07:10
Michael Samra
Dealer

Posts: 36118
Location: saginaw michigan
Joined: January 30, 2005
 That's the thing,the pins are very small.They look much larger in the photo then they actually are.They are about the side of a pin on a 12AX7.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

 

RE: Does anyone recognize this 3 prong power connector?, posted on January 30, 2015 at 20:37:05
Sherwood Forest
Audiophile

Posts: 240
Joined: October 7, 2014
 Dang it Mike, I think I used to have a 2400 baud modem that used that style connector. Little white nylon job not much bigger than a pencil. I'd have thrown in the towel long ago and replaced the socket out of sheer frustration. You could just slap an XLR on there, but here's an interesting trick-

Find some female contacts that mate well with these pins. If they're the size of a 12AX7, then something like standard DB9 contact elements should work. Anyway, make your lead to the power supply, terminate it with the contacts very evenly, then install them on the correct pins. Once they're in place or even before, take a small swab or toothepick and lightly coat the inner surface of the socket with vaseline as a release agent. Then, fill the whole cavity with hot glue. Allow it to cool and build it out a little, then slide heat shrink over it. You just made a plug. Once it cools carefully wiggle it free and remove the remaining glue. This is just fine for low voltages.

 

Dell Laptop?, posted on January 31, 2015 at 04:00:28
DIY John
Audiophile

Posts: 441
Joined: November 29, 2001
 From 10 or so years ago used something similar, although the size may be different. I thought I had an old supply around here, but may have let it go.

 

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