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Posted

So I’m looking to build some surround speakers using Markaudio Pluvia 7.2hd.

 

problem is for persons on either side of the couch the speakers will be 40cm from their ear, so I’ll elevate them a bit but don’t want to go more than 20 degrees off axis due to dispersion. Consensus seems to be that bipolar speakers would be a less localizable, and dipole even more so (though for an Atmos system dipoles seem to be frowned upon).

 

I’ll build something that can tried dipole and bipolar, just wondering at this stage whether I should isolate the drivers from each other.

 

i understand dipole cancellation in open baffle speakers as a function of baffle with, but can’t quite grok the effect of 2 out of phase sealed drivers firing roughly in the same direction (40 degree difference), or what the effect would be on bass output would be if they shared the same rear chamber vs isolating their rear chambers, as per pic.

 

Will I regardless loose output above 100hz…would high passing one driver at say 400hz be helpful in maintaining output 100-400hz?

 

Cheers for any input,

Bevan

IMG_5628.thumb.jpeg.abfd3a4f066ef928ae2f76a765bf4a9d.jpeg

Posted

Thanks David.

I’m still left wondering if those designs of mine model similar to a single driver in open baffle as per Linkwitz, or what effect separating vs combining rear waves to 2 drivers in an enclosure.

Posted
1 hour ago, b.d said:

Thanks David.

I’m still left wondering if those designs of mine model similar to a single driver in open baffle as per Linkwitz, or what effect separating vs combining rear waves to 2 drivers in an enclosure.


When it comes to speaker design, i'm out of my depth as i'm not a techy guy. I'm just an audiophile. But hope that info helps.

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