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Altec Lansing Engineering Notes,
Technical Letter No. 262:
Coverage of Multiple Mantaray Horns
Mark Ureda & Ted Uzzle

Let there be Boom!

A paper from D.B. Keele: how to design a low frequency horn using the Thiele Small parameters.

Ruediger

Here come two papers about the so-called Karlson couplers.

To some people including me it's voodoo, black magic and snake oil. But it's fine that not all of us need to share the same opinion....

Here is the famous article from A.N. Thiele: Loudspeakers in vented boxes.

Enjoy!
Ruediger