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In Reply to: RE: Tympani IVs in a 12x 22 x9 room posted by Kythyn on May 15, 2017 at 05:27:23
You can just about do it in the split configuration with the MT panels separated from the bass panels and the bass panels placed smack at the sidewalls. The MT panels will likely be spaced with about 8ft between the tweeters and would be about 2 ft off the sidewalls. You can have the MT ahead of the bass sections or the other way around. The spacing needs to be roughly 2 ft between the plane of the bass panels and the plane of the MT panels. So it is going to take out a nice sized pair of 2X3 sections out of your room. About the size of a pair of Klipschorns.
The space between the bass panels would be 6 ft when opened, and about 8 ft when folded.
You can do it but you will definitely be living between the speakers.
Follow Ups:
Thanks for the response. You may or may not remember the other thread where I posted pictures of my room. I think I have adequate room to place them separating the bass panels from the MT panel. Blocking off the kitchen side of the room is not an issue for me. How far in front of the back wall should the bass panels be?What do you think about the biamp, using the Khartago and Adcom? Should I use something else in the $1000 or less range for the MT?
I'll need some kind of crossover, does anyone sell one suitable for this application?
Edits: 05/15/17 05/15/17 05/15/17
The Khartago should do fine on the mid/tweet and the Adcom is good for the bass.
The crossover suggestions from Neo are good.
I should add that the Rane and Ashly crossovers are not noisy. A Rane 22 should do it for you for a cheap start but it is a very steep slope. It has delay adjustment to phase the bass output correctly.
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As far as an active XO, on the surface their are several choices. However when you get down to the nuts and bolts, you will find limitations due to cost or lack of flexibility. For active crossovers, the choices are pro equipment such as Behringer or Rane, the Pass First Watt B4, Byrston 10B and Marchand XM-44. The pro equipment tends to be noisy and some models are limited to a 4th order L-R which is not what you want. The best bang for the buck is a Marchand. Another approach is a mini-DSP which is very flexible and relatively cheap. And finally, if you are up to a DIY, you can get the PCB's for the crossover and power supply from Rod Elliott and build your own for about $100. It will sound as good as any of the above and is the way I would go if I was starting out.
I do have a Marchand XM-44 that is in moth balls if you are interested.
I married the perfect woman. The downside is everything that goes wrong is my fault.
Edits: 05/15/17
Please PM me regarding the Marchand
http://www.integracoustics.com/MUG/MUG/pix/MikeBarney/manual.pdf
Magnepans' user's manual suggests 3 ft. or more from the wall. Additionally when separating the panels, I think it also suggests as no one else has seem to have done, reversing the phase of one of them.
(It also speaks about using them in narrow of narrow rooms.)
You have to try the phase both ways, flipping it will make things better or worse (or the same) depending on driver separation.
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