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Replace small mylar speaker

Discussion in 'Troubleshooting and Repair' started by cspannos, Jul 29, 2010.

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  1. cspannos

    cspannos

    14
    0
    Jul 24, 2010
    Hi everyone,

    I am trying to repair this:

    http://www.thinkgeek.com/interests/retro/8928/

    It's a retro bluetooth headset from ThinkGeek.com. I replaced the rechargeable batteries and that works now (one was leaking)... but the small mylar speaker inside the earpiece is damaged. I can't seem to find the part online anywhere for sale.

    It's a round 36mm 16-ohm 0.5 watt mylar mini speaker. It's about 4mm or so thick. Anyone have any suggestions? I came across a similar speaker at 8 ohms, but what adjustments would I have to make to use it? Also, would it sound alot worse at 8 ohms?

    http://www.islproducts.com/componen...ers/59-mylar-speaker/81-mspk-36mm-round-8-ohm

    Thanks,
    Kosta
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,401
    2,777
    Jan 21, 2010
    Given the low power of the device, the 8 ohm speaker may be a reasonable replacement.

    You may notice that it is slightly louder, but you may be able to counter that with the volume control.

    It may be less than optimal in other respects, but probably not enough to be noticeable.

    If you're really paranoid you could wire an appropriate resistor in series with it, but that will reduce the volume somewhat.
     
  3. cspannos

    cspannos

    14
    0
    Jul 24, 2010
    I just ordered one from DigiKey... I'll post back once it's installed and let you know how it sounds. Thanks again!
     
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