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169 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Mon, 11 February 2013 15:01 «»
By: Wayne Parham
Re: Buffer for my system?
What you have are distributed multisubs, which will provide extension and modal smoothing below 100Hz. That's a prety good setup, even without flanking subs.
What flanking subs do is to provide smoothing in the 100Hz to 200Hz octave. They work a lit...
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Forum: Pi Speakers «»
Posted on: Thu, 07 February 2013 12:19 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
I'm not sure the use of FIR filters is a significant difference in this case, since there is no need to adjust magnitude and phase independently. I assume that's what was originally on their minds though - They may have chosen that filter approach so th...
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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 13:21 «»
By: Wayne Parham
Re: Information about the 3 Pi Subwoofer
Those are good questions, thanks for asking.
The three π subwoofer is a good general-purpose subwoofer that covers the 20-200Hz decade. It was designed to be a high-quality subwoofer in a convenient size. It isn't specifically designed to be a flank...
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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: Speaker «»
Posted on: Tue, 22 January 2013 10:21 «»
By: Wayne Parham
Re: Tuning below Fs with JBL 2226H?
Lobing from acoustically distance sources is undesirable, that is true. It is to be avoided where possible, and outdoors or in very large areas, you want point source summing, which is accomplished by keeping source locations within 1/4λ, just as you've...
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Forum: Speaker «»
Posted on: Mon, 21 January 2013 09:27 «»
By: Wayne Parham
Re: Tuning below Fs with JBL 2226H?
The JBL 2226H is one of my all-time favorite midwoofers. And it is capable of producing subwoofer output too, but it is not optimized for that purpose. Most of the things that make it great - its motor structure with shorting rings, it's highly damped ...
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Forum: Pi Speakers «»
Posted on: Fri, 18 January 2013 16:59 «»
By: Wayne Parham
Re: Subwoofers vs budget... where do you draw the line?
The multisub approach is intended to mitigate room modes. The problem is the direct sound from the subwoofer and the reflections from each boundary combine differently at each point in the room. So there are hot spots and dead spot in the room, and the...
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Forum: Pi Speakers «»
Posted on: Mon, 14 January 2013 17:11 «»
By: Wayne Parham
Re: Subwoofers vs budget... where do you draw the line?
If I have DI-matched two-way speakers, I always start with flanking subs. I mean, you can run the speakers with no subs at all if you're making an apartment system or something like that, but if we're talking stepping up a notch or two, start with flank...
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Forum: Pi Speakers «»
Posted on: Sat, 29 December 2012 11:48 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
Absolutely. Best results are obtained when both flanking subs and distributed multisubs are used, with the distributed subs running a summed LF signal, and the flanking subs running the same (low-passed) signal as the mains they are flanking. Some peop...
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