Electronics Design Looking for small, high quality, high output audio transducer for helmet intercom

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Subject Author Date
Looking for small, high quality, high output audio transducer for helmet intercom Scott Kelley 07-03-08
Posted by Scott Kelley on July 3, 2008, 1:44 pm
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I have a motorcycle intercom system with helmets that have had
microphone and speakers installed.

The intercom system is of high quality, but the speaker transducers
that are provided are not able to product adequate volume without
distortion. The problem is that I wear ear plugs while riding, so the
transducers must produce pretty substantial volume for their size.

So I am looking for a transducer that is able to produce good quality
sound (also want to listen to music)at relatively high volume levels.
I suspect that something like what I am after will be found in a set
of headphones, but I doubt that any retailer is going to be very
cooperative about letting me tear apart headphones until I find a set
that contains a transducer that will work...

I think the ideal transducer woud be in the range of 40mm diameter,
thin, with the diaphragm protected on the "front" side from direct
contact. DigiKey and Mouser show some things that may work, but I
thought I'd ask here before I started just buying & trying... Any
thoughts?

Thx
Scott Kelley

Posted by mw on July 4, 2008, 7:44 am
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> The intercom system is of high quality, but the speaker transducers
> that are provided are not able to product adequate volume without
> distortion. The problem is that I wear ear plugs while riding, so the
> transducers must produce pretty substantial volume for their size.
>
> So I am looking for a transducer that is able to produce good quality
> sound (also want to listen to music)at relatively high volume levels.
> I suspect that something like what I am after will be found in a set
> of headphones, but I doubt that any retailer is going to be very
> cooperative about letting me tear apart headphones until I find a set
> that contains a transducer that will work...

Try looking at in-ear monitors designed for musicians in live performance.

M-Audio IE-30 Professional Reference Earphones $250
Shure SCL4 Sound Isolating Earphones with Bass Port $250

These are described on www.musiciansfriend.com .


Posted by Scott Kelley on July 4, 2008, 3:48 pm
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> > The intercom system is of high quality, but the speaker transducers
> > that are provided are not able to product adequate volume without
> > distortion. =A0The problem is that I wear ear plugs while riding, so th=
e
> > transducers must produce pretty substantial volume for their size.
>
> > So I am looking for a transducer that is able to produce good quality
> > sound (also want to listen to music)at relatively high volume levels.
> > I suspect that something like what I am after will be found in a set
> > of headphones, but I doubt that any retailer is going to be very
> > cooperative about letting me tear apart headphones until I find a set
> > that contains a transducer that will work...
>
> Try looking at in-ear monitors designed for musicians in live performance=
.
>
> M-Audio IE-30 Professional Reference Earphones $250
> Shure SCL4 Sound Isolating Earphones with Bass Port $250
>
> These are described onwww.musiciansfriend.com.

I have in-ear monitors. It's nearly impossible to get the helmet on
while wearing them without pulling them out. I've concluded that the
earplugs & loudspeakers is a much more viable solution. Still
looking . . .

Posted by JosephKK on July 6, 2008, 4:42 am
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On Fri, 4 Jul 2008 12:48:54 -0700 (PDT), Scott Kelley

>> > The intercom system is of high quality, but the speaker transducers
>> > that are provided are not able to product adequate volume without
>> > distortion.  The problem is that I wear ear plugs while riding, so the
>> > transducers must produce pretty substantial volume for their size.
>>
>> > So I am looking for a transducer that is able to produce good quality
>> > sound (also want to listen to music)at relatively high volume levels.
>> > I suspect that something like what I am after will be found in a set
>> > of headphones, but I doubt that any retailer is going to be very
>> > cooperative about letting me tear apart headphones until I find a set
>> > that contains a transducer that will work...
>>
>> Try looking at in-ear monitors designed for musicians in live performance.
>>
>> M-Audio IE-30 Professional Reference Earphones $250
>> Shure SCL4 Sound Isolating Earphones with Bass Port $250
>>
>> These are described onwww.musiciansfriend.com.
>
>I have in-ear monitors. It's nearly impossible to get the helmet on
>while wearing them without pulling them out. I've concluded that the
>earplugs & loudspeakers is a much more viable solution. Still
>looking . . .

The best i have for you is to try a bunch of different headphones and
try using the pieces after de-constructing them.


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