2380 throat?

[Flaesh]

have anybody some 2380 throat internal view?
"clones" looking strange..

[Flaesh]

46478sorry, I went to work... continue:
p-audio ph-2380. usspeaker describe it like "JBL 2380A copy" :)
I thought that there is a smooth transition from the circle to the rectangle, but not 46477. :dont-know:

[GCT]

Hi
Did you get the info for the 2380 throat. I'm trying to build one too. Any advice?
Cheers
GCT