David Breneman:

> These had two bass "elements."  A 10" woofer and a
> 10" "passive radiator" which was another 10" speaker
> cone sealed into the same airtight box as the woofer.
snip
>  Is there any kind of sound engineering behind
> such a design?  Or was it just eye candy engineering?

http://en.wikipedia.org/wiki/Passive_radiator_(speaker)

-- 
Best regards,

Goran Finnberg
The Mastering Room AB
Goteborg
Sweden

E-mail: [log in to unmask]

Learn from the mistakes of others, you can never live long enough to
make them all yourself.    -   John Luther

(\__/)
(='.'=)
(")_(") Smurfen:RIP