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Old 16th March 2013, 03:09 AM   #21
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Most of the sewerage plumbing will be at the other end of the building so I don't anticipate any substitute sewer pits taking place

Just thinking I don't really need to limit myself to either IB or TH, why not both...

I was originally going to mount my TC Sounds Pro 5100s in a couple of H baffles, but why not make some use of the wide wall for baffles, and run 4 TH boxes along the bottom front?
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Old 16th March 2013, 04:10 AM   #22
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Quote:
Originally Posted by OllBoll View Post
If you're going to build such an extreme build then you might consider to use twice as many drivers and slot mount them where one is reversed. This would reduce driver significantly distortion and cancel mechanical forces. Your house will thank you when playing lots of LFE content

There is a thread about this, also some information on Linkwitzlab since he uses the technique himself a lot.

If you go this route you could compensate by using smaller less fancy drivers since the strain on each driver is reduced.
Yes that runs along the same lines as the dipole woofer Dipole Woofer. I was quite interested in this design a while ago, but now that I have a bit more freedom a couple of PPSLs along the front might be quite nice.
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Old 16th March 2013, 04:47 AM   #23
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Any takers for this?
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Old 16th March 2013, 05:32 AM   #24
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Just added in some main speakers to get a better idea of where to place the subs, and find a good location for the 4th channel in the mains (TC Sounds Pro 5100s).
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Old 16th March 2013, 07:29 AM   #25
epa is offline epa  Netherlands
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Originally Posted by Silent Screamer View Post
Just added in some main speakers to get a better idea of where to place the subs, and find a good location for the 4th channel in the mains (TC Sounds Pro 5100s).
like that,but since you have the space behind ,why not simply ib.
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Old 16th March 2013, 01:06 PM   #26
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Yeah that's the plan, If I did TH for the sub frequencies, and IB for the lower bass frequencies, both can exist in the same cavity space without causing problems.
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Old 16th March 2013, 04:17 PM   #27
tb46 is offline tb46  United States
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Hi Silent Screamer,

What a great project, one more vote for IB from me. I would recommend multiple IB subs based on the work discussed here: Multiple Small Subs - Geddes Approach , and (if necessary) additional sealed filler subs.

On the other hand, I like your initial horn ideas, take a look at this system: Dick Burwen's Sound System

Regards,
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Old 17th March 2013, 05:33 AM   #28
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Thanks TB46 quite an interesting approach taken by Geddes in making a non symmetrical layout.

Not sure why you would place a sub behind one mains and not the other... I wonder if this would still be the recommended placement with dipole mains?

I put together a picture of what I believe was recommended.

I wonder how you would go if you placed a sub top left and bottom right and at the back wall did bottom left and top right?
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Old 17th March 2013, 04:01 PM   #29
tb46 is offline tb46  United States
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Hi Silent Screamer,

Markus76 and Pallas seem to have developed some practical experience with gedlee's approach. Here is the link from Post #5: mehlau.net > audio > multisub .
Somewhere in the multiple sub thread gedlee talks about room treatment, you might want to take a look at that subject.

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Old 17th March 2013, 09:18 PM   #30
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