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Gear / Technical Help => Cables => Topic started by: John Kelly on February 12, 2006, 05:03:32 PM

Title: Cable Tester
Post by: John Kelly on February 12, 2006, 05:03:32 PM

Anyone happen to have the schematics for an mic cable tester?  While in school I made an unbalanced 1/4" cable tester, but I'm having a hard time coming up with anything for a 3 pin xlr.  Whirlwind sells them, but I know I can make my own if I can just find the details...

Thanks.

Title: Re: Cable Tester
Post by: Lil Kim Jong-Il on February 12, 2006, 05:36:16 PM

What are you trying to test?  if it's just a test of the connections, test for shorts and proper pin-pin wiring is pretty easy.  Its the same thing as testing an unbalanced cable with an additional continuity check for the 3rd signal path and a couple of additional short test lines.  I guess you could also test to see if the signal pins are wired properly and not crossed.

Title: Re: Cable Tester
Post by: MattD on February 12, 2006, 05:39:42 PM

Try this. It's for both 3 and 5-pin XLR. You can ignore the extra pins and make the entire thing smaller.

Title: Re: Cable Tester
Post by: Chuck on February 12, 2006, 05:41:45 PM

I have one of these that I built. I never use it.
Too many switches...

Edited for pictures:

If you want it, let me know.

Title: Re: Cable Tester
Post by: John Kelly on February 12, 2006, 06:52:29 PM

Matt, thanks for the picture.  Saved that bad boy for future reference.  And Chuck, you have a PM. ;)

plus tees all around

Title: Re: Cable Tester
Post by: jpschust on February 13, 2006, 12:15:53 PM

i have one of those testers.  no wait, it's a multimeter :)

Title: Re: Cable Tester
Post by: John Kelly on February 13, 2006, 12:27:54 PM

Quote from: jpschust on February 13, 2006, 12:15:53 PM

i have one of those testers.  no wait, it's a multimeter :)

Yeah yeah yeah.  ;)