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Author Topic: How can I check the polarity of cables..?  (Read 2990 times)

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Offline macdaddy

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How can I check the polarity of cables..?
« on: January 03, 2013, 12:43:20 PM »
I had a pair of cables made to reverse polarity to compensate for the absolute polarity error in the ad2k+

Now I can't remember which pair it is. Can I test this with a multimeter..? How would I do this? I assume it is like checking for positive and ground on a power cable, but I was curious how to do this with xlrs.

Thanks, in advance, for the help.
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akg c422 > s42 > lunatec v2 > ad2k+ > roland r-44

Offline tgakidis

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Re: How can I check the polarity of cables..?
« Reply #1 on: January 03, 2013, 12:49:12 PM »
Pins 2&3 should have continuem with a multimeter.
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Offline macdaddy

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Re: How can I check the polarity of cables..?
« Reply #2 on: January 03, 2013, 01:19:57 PM »
Thanks - I swear I am not stupid, but what does that mean..?
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akg c422 > s42 > lunatec v2 > ad2k+ > roland r-44

Offline Gutbucket

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Re: How can I check the polarity of cables..?
« Reply #3 on: January 03, 2013, 01:25:04 PM »
Use an Ohm-meter or continuity tester to check that pin 2 on one end of the cable conects to pin 2 on the other end (or rather, the female socket for pin 2).  If so the cable is not reversed polarity.  Pin 3 sould be the same.

If pin 2 on one end connects to pin 3 on the other (and vice versa), you have a reverse polarity cable.
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