Dipolar Horns Help

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Hey Y'all,
Ever since I set up my Oris 150/AER MD3 rig I have been fasinated with the idea of buying a second set of Oris 150 horns (hopefully used and cheap), and playing with setting up double, front and back firing, dipolar horn speakers. My big problem is figuring out how to properly load the back of the AER drivers. I'm assuming a second 150 Hz tractrix horn would load the rear wave of the driver quite differently than the present 10" diameter X 9" long rear chambers with the rear end closed with dense wool felt 1/2" thick. How differently? How to compensate? I suppose different drivers with more appropriate parameters might be the only solution, but unless I can find appropriate drivers which sound as wonderful as the MD3s I might just drop the idea. What else (probably many things) have I not even begun to consider? The mouth of the rear horn would only be about 60" or so from the back wall except for special listening sessions when they could they could be 7 or 7&1/2 feet from the rear wall. I do have some extremely solid cylyndrical subwoofer enclosures 26" diameter by 67&1/2" tall I could try as diffusers.
If anyone has experience with dipolar double horns or theoretical knowledge I would really appreciate hearing from you.
Thanks in Advance,
Don Reid

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Topic - Dipolar Horns Help - Don Reid 19:02:35 10/15/06 (8)

Re: Dipolar Horns Help - Paul Eizik 13:55:11 10/16/06 (0)

Re: Dipolar Horns Help - Kloss 06:46:09 10/16/06 (0)

Re: Dipolar Horns Help - Steve Schell 00:30:45 10/16/06 (0)

Re: Dipolar Horns Help - el`Ol 00:23:57 10/16/06 (0)

Re: Dipolar Horns Help - Don Bunce 22:52:27 10/15/06 (0)

Re: Dipolar Horns Help - keto 21:01:40 10/15/06 (0)

Re: Dipolar Horns Help - Tom Brennan 19:10:38 10/15/06 (0)

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