1 Attachment(s)
Handbook of Sound System Design
by John Eargle.
Embarrassingly, while we have included many of John Eargle's writings, I find we are missing much of his ground breaking work.
This is a pic of the cover of Don's copy...
I have spent hours staring at that photo, and pondering the thought/planning/knowledge that went into the flown layout, "way back then".
- Note how the L/R stacks have the horns staggered - never adjacent
- Note how the center cluster is stacked - horns top and bottom, and arrayed to disperse their dispersion pattern...
Genius.
Comb filtering effects ruin the sound reproduction of an othewise great system. Never forget...
2 Attachment(s)
K-coupler, Karlson etc. papers
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. Enjoy!
Ruediger
1 Attachment(s)
D.B. Keele: LF Horn Design Using TS Parameters
A paper from D.B. Keele: how to design a low frequency horn using the Thiele Small parameters.
Ruediger
1 Attachment(s)
Bose Wave Cannon Patent Paper
1 Attachment(s)
Altec Lansing Technical Letter 262: Coverage of Multiple Mantaray Horns
Altec Lansing Engineering Notes,
Technical Letter No. 262:
Coverage of Multiple Mantaray Horns
Mark Ureda & Ted Uzzle