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45 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sun, 20 January 2013 13:01 «»
By: Wayne Parham
Re: 4 PI by Andy
Damping material is not needed in traditional subs run outdoors, distributed subs in a multisub arrangement, or pretty much any subwoofer that is acoustically small. But that's a key: The subwoofer cabinet must be acoustically small, which means the lo...
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Forum: Pi Speakers «»
Posted on: Sat, 29 December 2012 09:55 «»
By: zheka
Re: Flanking Subs vs Helper Woofers
Wayne,
I totally buy the idea. I always wandered what can be done about the ugly notches right above subwoofer crossover point. With my faulty implementation of the flanking subs technique, I've seen the proof of how well additional sources in the reg...
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Forum: Speaker «»
Posted on: Wed, 12 December 2012 15:18 «»
By: Wayne Parham
Re: Room modes, multisubs and flanking subs
Specific multisub placement advice:
Welti configuration
Geddes configuration
Parham "flanking sub" configuration
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Forum: Pi Speakers «»
Posted on: Thu, 29 November 2012 14:58 «»
By: zheka
Re: Flanking Subs vs Helper Woofers
If flanking subs are designed to address boundary interactions and room modes only in the 80Hz-200Hz region, can "mid-bass" bass-reflex modules with high efficiency pro-drivers be used instead of full fledged subwoofers designed to go much lower?...
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Forum: Pi Speakers «»
Posted on: Thu, 29 November 2012 14:39 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
You're right that home theater sound processors don't have any provisions that make flanking subs or distributed multisubs any easier. Honestly, the underlying philosophies and technologies most home theater processors are based on was developed before ...
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Forum: Pi Speakers «»
Posted on: Thu, 29 November 2012 12:58 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
Flanking subs do not get a summed signal - They get the same signal as the main speaker they are flanking, with a low-pass filter applied. They're stereo subs. That's one of the key distinctions between flanking subs and more distant distributed subs in ...
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Forum: Pi Speakers «»
Posted on: Mon, 24 October 2011 21:21 «»
By: Wayne Parham
Re: Helper Woofer Location
Modeling won't show what we're trying to accomplish unless you do a room simulation. Most software I know of simulates a speaker in anechoic space or some simple radiating angle (e.g. halfspace). Room simulation software tends to see the source as a si...
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Forum: Pi Speakers «»
Posted on: Mon, 24 October 2011 17:36 «»
By: Wayne Parham
Re: Helper Woofer Location
The best approach for the helper woofer is to locate it physically between the main midwoofer and the nearest room boundaries. So you might want to put the helper woofer on the back, near the bottom. I sometimes call this a "flanking sub" app...
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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: Pi Speakers «»
Posted on: Sun, 21 August 2011 19:51 «»
By: Wayne Parham
Re: Information about Pi Speakers
What you want for flanking subs are sound sources that are smooth through 200Hz or so. Pretty much any direct radiating sub will do that just fine, regardless of size. Most subs will, to be honest. The only thing I'd stay away from are tapped horns, w...
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