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497 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Fri, 06 December 2013 10:15 «»
By: Wayne Parham
Re: Two 3 pi subs to replace my horn?
You've got mail!
Hornsubs are about 10dB louder than most direct radiating subs, sometimes even more. So it takes more power to get the same SPL, and even then, you really need more of them to prevent overtaxing them.
On the other hand, hornsubs h...
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Forum: Pi Speakers «»
Posted on: Mon, 04 February 2013 10:56 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers, revisited
You can build what I would describe as a "detatched 2.5-way" speaker. Essentially it is a DI-matched two-way with a second midwoofer in a separate box, physically located as presecribed for flanking subs, i.e. just beside, behind and below the...
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Forum: Pi Speakers «»
Posted on: Fri, 01 February 2013 15:35 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
I would agree (and expect) some differences in details, but I'm not sure how significant those details are. At least, less significant than the main idea, which is to use multiple sound sources spread apart spatially, and to use EQ, where appropriate fo...
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Forum: Pi Speakers «»
Posted on: Wed, 23 January 2013 11:57 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
I just watched a video of an audio gathering, where several presenters gave talks on one thing or another. One of the presenters was Earl Geddes, who did a talk on multisubs:
SMWTMS Meeting, January 19, 2013 (That's Southeastern Michigan Woofer and...
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Forum: Pi Speakers «»
Posted on: Fri, 02 September 2011 09:43 «»
By: Wayne Parham
Re: 4pi Commercial Dinner Theater Build
Answers by numbers:
1. If I understood your picture properly, the west wall is on the left, where the mains are. So that would be where you would put flanking subs. Distant subs would be put somewhere else, more distant from the mains. The low-pas...
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Forum: Speaker «»
Posted on: Sun, 01 May 2011 21:10 «»
By: Wayne Parham
Re: Sub woofer Assist
Check out the thread called "The Subwoofer Thing" along with all the links contained therein. It's about a configuration that uses multiple bass sound sources at different places in the room to average out room modes. Some call this a multisu...
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Forum: Pi Speakers «»
Posted on: Thu, 07 April 2011 15:37 «»
By: Wayne Parham
Re: Sub crossovers
Now there's a pair for you!
Seriously, that will work just fine.
I used the Rekkhorn F1 sub crossover, and it worked pretty well. It allows variable adjustment of the (24dB/octave) low-pass frequency and amplitude. But honestly, I kind of like ...
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Forum: Speaker «»
Posted on: Tue, 05 April 2011 15:24 «»
By: Wayne Parham
Room modes, multisubs and flanking subs
When I first considered the multisub approach, it was prompted by papers written by Todd Welti. He did several tests that showed in-room amplitude response could be made smoother using multiple subs, and gave specific guidance about placement. His favo...
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Forum: Room Acoustics «»
Posted on: Sun, 27 February 2011 16:45 «»
By: Wayne Parham
Multisubs
Do a search for "multisub". The idea is to use multiple subs to smooth room modes, making the bass sound good throughout the room. That's the best way to setup subs, but it does require more than one.
If you have only one sub, it will soun...
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Forum: Speaker «»
Posted on: Tue, 16 February 2010 16:05 «»
By: Wayne Parham
Re: Multiple Subwoofers
I agree in all aspects except the points of asymmetry and number of corner sources. I realize you know my position in this matter but I'll restate just in case other readers don't.
There are two schools of thought on this, one championed by Todd Welt...
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