splicing headphones

topic posted Sat, January 20, 2007 - 1:32 PM by  barnaby
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Hey folks

This is a newbie question that may not be "audiophile" per se, but I'd still appreciate some help.

I have some Bose Triport headphones that I love. They started shorting out close to the plug, and the warranty is expired, so I figured I'd try splicing in a new termination. I chopped out the end and have tried splicing to stereo 3.5mm ends twice, but I get nothing. Not even a teensy, weensy little cough suggesting there's current on the live audio.

What gives? I've spliced connections before and never had any problems. Am I crazy, or do more slightly more expensive headphones ($180) not use the standard right channel/ground left channel/ground four-conductor gambit?
posted by:
barnaby
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  • Re: splicing headphones

    Mon, January 22, 2007 - 1:24 PM

    Are there 2 coaxial cables coming from the 1/8" plug? Are you sure the sort was not higher up on the cable?

    Those coaxial headphone cables are really flimsy and cheap, very hard to splice properly. What is your new plug from?
    Do you have a voltmeter? You could check for shorts between the signal and ground connections. Shorts while
    splicing are common problems.

    -troy
    • Re: splicing headphones

      Tue, January 23, 2007 - 11:39 AM
      Hi Troy - thanks for responding.

      > Are there 2 coaxial cables coming from the 1/8" plug?
      Yes.

      > Are you sure the sort was not higher up on the cable?
      Yes - I could manipulate the cable right at the plug and it would would affect the intermittant short.

      > Those coaxial headphone cables are really flimsy and cheap, very hard to splice properly. What is your new plug from?

      True. I chopped an 1/8" mini off two other prefab cables that both worked, and both landed on stereo 1/8" plugs.

      > Do you have a voltmeter?

      Sadly, no, though something funny seems to be going on. Even with a bad short I usually hear SOMETHING, a little twitch on the channel. Anyway, I may just be out the two hundred bucks.

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