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mini xlr questions

post #1 of 4
11/5/09 at 1:54pm
Thread Starter 
Thinking about installing mini xlr connectors into various headphones so I can build detachable cables. First off, will it significantly harm the sound quality to do something like this as opposed to a hard recable? Second, would 3 pin or 4 pin be better? I assume that I wouldn' t have to use a pin if I didn't need it. For the headphone jack on say my SRH840's (which is single entry), I would have one pin for right, one pin for left, and was going to use the 3rd pin for a common ground. Bad idea? Should I use a 4 pin and have a separate ground for each?

For something like a K81dj, the recable would be dual entry, so I was going to use the 3 pin (one for channel, one for ground, 3rd pin unused).

Also, would using panel mount plugs secured with hot glue or epoxy be better or would using a cable mounted one hanging down slightly from the cup be smarter? Mainly thinking about durability and strain relief.

I was going to use some Neutrik Tiny XLR connectors: RT3MP, RT3FC-B for chassis mount. If I go with cable, then I will have to pick some diff connectors, as Neutrik doesn't make a Tiny male.

I am a newb at all of this hence my questions. Please be gentle but don't hold back. Thanks!
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post #2 of 4
11/5/09 at 2:41pm
Doesn't the SRH840 already have a detachable cable?

se
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post #3 of 4
11/5/09 at 5:24pm
Thread Starter 
Yes, and I have already experimented with making a replacement with a 2.5mm plug that I stripped down, however, with no good way to replicate the locking mechanism yet, it isn't ideally secure (I am thinking of adding epoxy lumps to the connector and shaping it after it dries). Too much movement and the sound will cut out. Since XLR's lock, I thought that it would be a suitable alternative if too much modding of the existing socket area isn't required. Shure sent off my request for extra locking plugs to engineering, and it seems the request has died there. I tried to follow up, but customer service simply said that my request was in the hands of engineering now.

Plus as my collection of headphones grow, if mini XLR's are doable, I can use the same custom cables with multiple headphones.

I will probably try using two cable based connectors so that I won't have to mod any cups. I lack the tools to do so neatly.
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post #4 of 4
11/5/09 at 6:28pm
Well, if you're not wanting to chop up the headphones, then yeah, short cable-based connection will work.

I'd recommend using four pin connectors. If you ever want to use a balanced amp, you'll have all four leads available to you.

se
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