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Is my tweeter blown?

  • 18-07-2014 10:30am
    #1
    mordeith
    Registered Users, Registered Users 2 Posts: 5,278 ✭✭✭


    I have a pair of Wharfdale Diamond 9.1. Used relatively regularly but not anywhere near max volume. The other day I noticed the volume from the left speaker was louder than the right. Naturally I though it was a balance issue but on closer listening realised there was no high frequencies coming from the right speaker. The main cone is working perfectly but the tweeter doesn't appear to be outputting anything. Is it possible for it to be blown? (not sure if this is the correct term). Is there any way for to check this scientifically as ooposed to just listening? (which I guess is probably the definitive way anyway)
    Thanks.


Comments

  • #2
    Luck100
    Registered Users, Registered Users 2 Posts: 878 ✭✭✭Luck100


    Probably just a loose connection. If it was 'blown' you'd see a crack or tear in the tweeter dome. I think those speakers have separate connectors for tweeter/woofer to allow bi-wiring. If you're not bi-wiring, there should be a jumper to short the tweeter/woofer inputs together. Just check in the back to make sure the jumper isn't loose, or fallen off.

    It's also possible that there's a loose connection internally, but check the bi-wire jumper first.


  • #3
    mordeith
    Registered Users, Registered Users 2 Posts: 5,278 ✭✭✭mordeith


    Luck100 wrote: »
    Probably just a loose connection. If it was 'blown' you'd see a crack or tear in the tweeter dome. I think those speakers have separate connectors for tweeter/woofer to allow bi-wiring. If you're not bi-wiring, there should be a jumper to short the tweeter/woofer inputs together. Just check in the back to make sure the jumper isn't loose, or fallen off.

    It's also possible that there's a loose connection internally, but check the bi-wire jumper first.

    Thanks for that. Yeah the speakers can be bi-wired (which I'm not doing). I had noticed a gold plated conneting piece between the terminals which must be the jumper you are referring to. I'll check it out this evening. A visual inspection of the cone shows no damage.


  • #4
    knickerbocker
    Registered Users, Registered Users 2 Posts: 233 ✭✭knickerbocker


    Luck100 wrote: »
    Probably just a loose connection. If it was 'blown' you'd see a crack or tear in the tweeter dome. I think those speakers have separate connectors for tweeter/woofer to allow bi-wiring. If you're not bi-wiring, there should be a jumper to short the tweeter/woofer inputs together. Just check in the back to make sure the jumper isn't loose, or fallen off.

    It's also possible that there's a loose connection internally, but check the bi-wire jumper first.

    A tweeter can be blown without any external damage, ie: a break in the coil.

    Other possiblity is a fault in the crossover, but with a bit of luck it will only be the Bi-wire link.

    Let us know how you get on OP.


  • #5
    mordeith
    Registered Users, Registered Users 2 Posts: 5,278 ✭✭✭mordeith


    knickerbocker wrote: »

    Let us know how you get on OP.

    Thanks for the help guys. It was just the loose connectors which meant the jumper plates were not contacting properly. All good again :)


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