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landon79

Why is the left XLR out different than the right?

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The right appears to have this little plate near the top.  My connectors snap in place with the left but don't on the right.

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The left and right should have the metal plate.  Mine does.  If yours is missing I'd contact Line 6.

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post-552610-0-01750200-1446849903_thumb.png

 

See that little plate on one side only - what is that and why isn't it on both sides?  This is Sweetwater's picture btw.

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My helix alsi has the "missing" plate on the left xlr!

 

I suppose that's nothing to worry about?

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It just locks the cable in place.  Doesn't affect the sound (unless the cable accidently gets pulled out).

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I actually think it has a function -- to tell if there is one or two XLR cables plugged in, to switch from stereo out for 2, and mono-summed for one XLR only. The 1/4" outs do this with an internal contact. With XLR you don't have a moving contact, so need some way to tell if 1 or 2 cables are connected. You can do it with one sensor, if you always use the same out marked for mono - sense the other input - get a contact, then serve up stereo output. If you have sensors on both outputs, you can provide mono when only one cable is connected to either output. Think we're seeing a minor physical revision of those with one and those with 2 sensors.

 

I might be wrong, but that's what it looks like to me.

 

Dave

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I'd like an explanation.  If it is a defect it needs to go back.  If there is a difference in any way that gives the advantage in any way to one type or the other, it needs to go back and be corrected.

 

Stuff like this plays havoc with my OCD.  I first noticed it not because I saw it, but because of the difference in the way the cables snapped in place.

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I took a look at mine - it has the plate on the right XLR only. I tried an XLR into both, and they both lock in fine. The release button just pops out further on the left XLR, but both need to be pressed to release both of the XLR connectors.

 

The left XLR and the left 1/4" are both marked "Left/Mono", while the right are both marked just "Right" - even in the picture above with the plates in both. I'm really guessing it's for sensing if 2 outputs are present or not.

 

The picture above with the plate in both may be the exception rather than the norm. It's possible the assembler at the factory grabbed the wrong part for that unit's left XLR, or ran out in their parts bin for it and used the one with the plate for that one's left XLR. I would bet the unit in the pic above with both probably acts the same as everybody else's, because the plate on the left is probably not hooked up to the circuitry to do the mono/stereo signal choice.

 

To do that one little bit for a circuit revision would be much more trouble than "either/or" mono would be worth - especially when it's still only marked "Left/Mono" and "Right" AND if you're going mono to an amp or PA, you'd only be using one cable anyway, so why not just use the one marked "Left/Mono"? IMO, the one with the "defect" would be the unit with both plates, in the pic above, and it's really not a defect, they just used the (probably more expensive) connector on that one. I'd be interested if many more are reported -- and I'll bet they won't, or the number will be very small.... Mountains or molehills.... I'm thinking the latter....

 

Dave

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I checked my Helix and it has the plate on the right and not on the left like yours but If you look at the Helix Cheat Sheet it depicts a picture of that exact layout.

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I suspect that plate is just connected to a microswitch that tells the helix there is no left output connected, therefore it needs to sum both channels to the right.  Most XLR male ports don't have anything like that.  The lock on the end of a female XLR cable should still be functional without that plate.

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