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I purchased one of these sockets for my home studio and I need some advice wiring it up.

I purchased a balanced cable XLR > 1/4" jack, cut the XLR end off and wired it up like this: This is what I've done so far

I have limited inputs on my audio interface so now I want to wire the 1/4" up to the same cable. I presume I have to loop 2 to R and 3 to T or something along these lines.

I've never wired anything other than a power plug and a few lights before and I'm in a little over my head here. Can someone please explain exactly what to do next and what the TN, RN, GN holes are for?

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XLR 2 (hot) should go to JACK TIP, XLR 3 (cold) should go to JACK RING, XLR 1 (ground) should go to JACK SLEEVE The TN, RN and GN connections are used in the XLR combi connectors with extra switching contacts. On the picture these points are empty, so no switching contacts here.

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After a lot of research I figured this out. It's simple once you know which letters go to which:

I connected them as follows and it worked: enter image description here

BROWN:   XLR 1 (ground)     ->  JACK S (sleeve)
RED:     XLR 2 (hot right)  ->  JACK R (ring)
WHITE:   XLR 3 (cold left)  ->  JACK T (tip)

G is the chassis ground and is not normally used. I still don't know what the TN, RN or GN are for but they aren't needed for this thing to work. Hope this helps someone!

  • thanks cronoklee. This works, but it does depend on what connector is at the other end. If it'sa TRS socket only, phantom power mics won't work. So to be 100%, you need two seperate cables running from the rear of your combi jack socket, other you may as well not bother.. ..which I found out after a lot of headscratching... – ogpuprison Jul 6 '18 at 8:26
  • I keep seeing xlr 1 to sleeve, xlr 2 to TIP, xlr 3 to RING on schematics online. Are you sure your directions are correct? You’re saying xlr 2 to ring and xlr 3 to tip. Which one is correct? – Ian Aug 27 '18 at 3:31
  • @Ian I suggest looking at Richard's answer and upvoting it. It has the same information you found online. – AJ Henderson Sep 3 '18 at 13:45
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TN (Tip), RN(Ring) and GN (Ground) have no Pins because Neutrik uses the same back for Combos with XLR with more Pins.

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