Hornflex speaker box?

Question

I am looking for some details for this "type" of speaker box. It's almost the same like bassreflex, but it is longer than basreflex, and it has opening mouth like horn speaker box a bit. can anybody post some links about it?

Answer 1

Here ya go:

http://www.audiophilia.com/hardware/Loud...

http://home.scarlet.be/~tsc64115/product...

http://www.dali.dk/int/page191.aspx?sub=...

Couldn't find a patent filing, but there probably is one.