Rerurn to Romy the Cat's Site

Here is a good illustration for people who do not get it why La-profile is suck a damn idea with lower then MF channels. There is a guy in AU who makes the La-profile horns from some kind of plasmas and sell horns separately, not organized into complete installations.  The people buy into it and here is what they have:

http://killerdac.com/forum/index.php?topic=60.msg5561#msg5561

Pay attention that the upper-bass horn in this installation has in that room and in those frequencies absolutely no benefit from La-horn negative opening. In fact the negative opening act as HUGE impediment as it waste a lot of very needed in this configuration vertical and horizontal space.  The owner is not expressed person in the subject and he apparently followed the advice or instance of the horn maker. There is nothing wrong in negative opening but it not suppose to be brainless  demagogy the has no relativity to practicality. Read my notes in the provided link and you will get the idea why.

Rerurn to Romy the Cat's Site