WWMMTMMWW drivers surrounding the T

[crazyhub]

Thanks guys!

Very usefull explanations, graphs and sims!
I'm not a scientist so I'm not able to use matlab but at least I do now understand how to think about this matter of directivity and resulting comb filtering with such configurations of drivers.

 

[ShinOBIWAN]

The simulation looks good to me.

If you want to take it another direction for higher SPL's then maybe something like this would wake the dead too:

An externally hosted image should be here but it was not working when we last tested it.

 

[LineSource]

If you want to take it another direction for higher SPL's then maybe something like this would wake the dead too:

For up-against-the-wall speakers I LIKE IT.

For in-room speakers...When I factor in baffle effects and room effects, and off-access effects, I still come back to the WMTMW like the Rock Port or John K's dipole. My ears think in-room speakers image better than in-wall speakers.

With today's speaker technology, music comes to life with ~95-96db/watt-meter efficiency. Lower efficiency sounds dead. Higher efficiency seems to need compromised drivers or 4-way complexity.

W=15". M=6.5". T=dome or ribbon

 

[jamikl]

Are the sims shown that bad. They look ok 25 degrees either side of on axis and not too bad a bit wider. I ask because Iam thinking of something similar.
jamikl