"malcolm" wrote in message news:PPQ9b.480052$Ho3.81431@sccrnsc03...


try here http://www.t-linespeakers.org/projects/index.html

No good. They are almost all quarter-wave lagged organ-pipes and the
tapered ones are so short that they are really closed-boxes or
bass-reflex.

This is more the thing:

http://www.bwspeakers.com/index.cfm/...del%20Nautilus

Though a TL for a tweeter is rather pointless, it looks good.

Roger.