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In Reply to: RE: Hmmm posted by E-Stat on October 02, 2023 at 12:39:04
I love the 1+1's -- have a friend who has them.
Anyway, the challenge we faced was getting the subs to sound as good as planar bass. That meant dipoles, because they excite fewer room modes/pour 2.7 dB less energy into the room.
The problem with dipoles is that they're big! The idea here was to make a capable woofer that is unobtrusive or can slide behind a couch. That meant dynamic drivers, which can move more air than a planar with the same surface area. It also meant using the side walls for extra bass reinforcement. And it meant using multiple small drivers, along with the fact that small drivers sound better than big ones, along with the V shape that Wendell came up with. Then getting custom drivers that can push more air. And then something else that I still can't discuss because they never get around to filing for the damn patent.
The woofers work great with any kind of dipole, BTW -- Wendell was showing them with some Martin-Logan panels to make that point.
Follow Ups:
from what I've read is the Maggie dipole woofers operate a good octave or two above typical subwoofers. If Wendell disabled the woofer in the M-Ls, they would have to cover up to about 300 hz.
The 1+1s respond down to 35 hz but are ultimately excursion limited at higher outputs. Mine are actively crossed at 80 hz.
Yep, that's why it's so important that they have a wide bandwidth, though not 10,000 Hz! The typical sub doesn't play high enough.
Interesting about the 1+1s response.
Just don't expect Toccata and Fugue in D Minor to pressurize the room!
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