Aluminum dome tweeter is dimpled. Will this degrade

tobr24uNovember 5, 2007

the sound much? Don't know if someone poked it (screens were off once during a grandchildren visit--very bad mistake!) or if the the tweeter experienced fatigue. Only one is in this condition. Any thoughts?

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jdbillp

Someone pushed it in. Yes, it will degrade the sound quality.

    Bookmark   November 5, 2007 at 10:35PM
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tobr24u

Thanks. Now, if I opened the cabinet and popped it back out would that "repair" it?

    Bookmark   November 6, 2007 at 9:18AM
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steve_o

You'll probably have to open something other than the cabinet. The aluminum cover may be covering a softer (fabric or such) dome. The good news there is that if you remove the aluminum cover you may be able to pop the dome back into shape.

Then again, you may not. It's kind of like fixing a dent in a car without using body filler. You also run the risk that you don't put the cap on right and it resonates at some high frequency which might be heard.

Honestly, if the tweeter sounds like it did and the damage is mostly cosmetic, I'd leave it be. You could cause more damage trying to fix it than you're hearing now.

    Bookmark   November 7, 2007 at 7:32PM
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elks

Were it mine, I would unscrew the tweeter from the cabinet, and like Steve suggests, unscrew or unclip the dome from the magnet if it can be done, paying careful attention to how it aligns. I would then try to push the dome back into shape. However, since these diaphrams are often burnt out by being overdriven, many manufactures will sell just the diaphram. If your speaker is a well established brand, you should be able to contact them or a local dealership and buy just the diapham if you need to.
Steve too.

    Bookmark   November 14, 2007 at 6:37AM
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tobr24u

Good news. I was able to go thru the front and just detach the aluminum dome. It popped back into shape with just a little pressure from a finger. I smoothed out as much as possible what lines were left with a Q-tip. Finally, I stuck my ear in the damged one and then the good one listening to a variety of music and couldn't hear a difference, but maybe I have a "tin" ear. These are twenty-year-old B&Ws engineered by the guy who left and started Krell. So these speakers will be as close as I'll ever be to his products again and I may just keep them as my two channel speakers. Thanks for your interest and input...

    Bookmark   November 14, 2007 at 9:49AM
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