Re: Small

[Matt Peterson <matt@xoom.com>]

you might find this link interesting:

http://www.atcsd.com/

6/20/99 11:02 AM   Tom Ritchford (tom@swirly.com) wrote:

>Mark Spookylaro wrote:
>
>>The Danelectro post that talks about the small Smoky Amps made me think
>>about a new type of speaker that I've heard about that uses very small
>>electrostatic drivers and varies the phase of several ultrasonic
>>(infrasonic?) frequencies to create a beat (interference) frequency in
>>the range of human hearing.  Supposedly, the thing is the size of a CD
>>or so, and can produce very large sound levels with very low wattage
>>because of its efficiency.  CAN YOU IMAGINE THE IMPLICATIONS?  KEEPING
>>YOUR SPEAKER CABINETS IN YOUR GUITAR CASE!
>
>acoustic heterodyning is the name of the technique, I believe...
>
>and the speakers are incredibly small, postage stamp sized.
>you could get deafening sound from a quarter-watt speaker,
>so I'm told.
>
>However there are several downsides.
>
>The first is that they are extremely directional... you could hear
>immense sound, I could hear nothing.  The second is that they haven't
>made it out of the lab into speakers yet as they are so new.
>
>       /t
>
>


Matt Peterson
Project Manager, Media Services
XOOM.com, Inc.
300 Montgomery St., 3rd Floor
San Francisco CA 94104
415-288-2505    FAX: 415-288-2575    matt@xoom.com
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