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'[EE] mini speaker'
2010\07\08@150225 by alan smith

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Im looking for miniature speakers, such as what might fit into a keyfob.  Granted I've told my client...your not going to get much out of them being that small but they want me to look...

Anyone have experience with really tiny ones?


     

2010\07\08@151635 by Vitaliy

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alan smith wrote:
> Im looking for miniature speakers, such as what might fit into a keyfob.
> Granted I've told my client...your not going to get much out of them being
> that small but they want me to look...
>
> Anyone have experience with really tiny ones?

Like the kind you find in greeting cards?


2010\07\08@152837 by Dwayne Reid

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At 01:02 PM 7/8/2010, alan smith wrote:
>Im looking for miniature speakers, such as what might fit into a
>keyfob.  Granted I've told my client...your not going to get much
>out of them being that small but they want me to look...
>
>Anyone have experience with really tiny ones?

I've played with some tiny speakers intended for use in cell-phones
but they appear to require an acoustic resonator to have any decent
volume.  I quit playing with them after I found that out.

On the other hand - some cell-phone speakers DO get pretty loud.

Might be worth checking out.

dwayne

--
Dwayne Reid   <spam_OUTdwaynerTakeThisOuTspamplanet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax
http://www.trinity-electronics.com
Custom Electronics Design and Manufacturing

2010\07\08@154255 by Michael Watterson

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 On 08/07/2010 20:02, alan smith wrote:
> Im looking for miniature speakers, such as what might fit into a keyfob.  Granted I've told my client...your not going to get much out of them being that small but they want me to look...
>
> Anyone have experience with really tiny ones?
>
>
>
there seems to be four kinds
Really tiny ones used on handheld mobile radios. (plastic cone) (Best
quality, but a bit larger than common keyfobs).
Larger headphone drivers used as speakers in novelty keyfob gadgets (not
the in ear bud type). (plastic cone). Poor o/p
The possibly ceramic type used in Mobile phones.
The larger diameter ceramic disc in novelty keyfobs and greeting card
tunes. Most efficient, but limited and erratic frequency response with
resonances.


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