On Tue, 13 Jul 2004 11:01:52 GMT, B a r r y
vaguely proposed a theory
.......and in reply I say!:

remove ns from my header address to reply via email

hmm..ok. Thanks.

Depends on the speaker. Some are designed for sealed boxes, some for
ported. Check the specs.

I've also seen speakers blown the way you describe, but it had nothing
to do with the box. A subsonic noise component drove them right out
of the baskets. G

Barry