In article ,
Richard Crowley wrote:
"B" wrote ...
I am doing an experiment where I have to send a 20K- 25K tone constantly
through a speaker. This has to continue for 24 hours. The magnet or coil
becomes too hot to touch. Right now I'm using a full range speaker. If I
use a specific tweeter for high frequencies will it stay cooler?

Investigate using driver(s) that use magnetic fluid in the gap. One of the
benefits of the fluid is that it sinks the heat from the voice-coil to the
magnet assembly where it can be dissipated.

Well, we already know from his description that the magnet gets
too hot that this is not the primary issue. The problem is
getting the heat out of the unit as a whole.

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| Dick Pierce |
| Professional Audio Development |
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