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45 Search Results Found |
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Forum: Home Theater «»
Posted on: Tue, 19 March 2013 12:26 «»
By: Wayne Parham
Re: Pre/pros in THX small in number big in price
I personally could care less about "certification" from THX, because I don't find it relevant. I'm looking for a whole lot more where quality is concerned than what they require for certification. For example, even their highest certification...
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Forum: Pi Speakers «»
Posted on: Wed, 06 March 2013 17:35 «»
By: Wayne Parham
Re: flanking subs with small mains
A long time ago, back when I had black light posters all over my walls, I used to run my oscilloscope with its two channels connected to the right and left channels of my stereo. I'd setup to make Lissajous patterns like a little laser light show. One ...
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Forum: Pi Speakers «»
Posted on: Fri, 22 February 2013 14:01 «»
By: Wayne Parham
Re: flanking subs with small mains
Let me see if I understand you right. This is what I think you are saying:
1. When bass management is used, the sub output is low-passed and the mains are high-passed at the same frequency.
2. You are considering setting this frequency to 60Hz to ...
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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: 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: Tue, 29 January 2013 15:25 «»
By: zheka
Re: Why do you not use summed bass for flanking subs?
I found what maybe a potential compromise.
I still use summed signal.
I set crossover on the AVR fairly high - 160-200Hz. I then add 1st order low pass filter at a lower frequency (80-100Hz) directly in the DSP for my front subwoofer amplifier.
I fou...
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Forum: Pi Speakers «»
Posted on: Mon, 28 January 2013 16:47 «»
By: Wayne Parham
Re: Why do you not use summed bass for flanking subs?
I suppose you could send a summed signal to flanking subs, and it would probably work pretty well in most cases.
The problem is that lower-midrange content panned hard left or hard right would go to both flanking subs even though only one of the mains...
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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: Sun, 20 January 2013 13:41 «»
By: zheka
Re: 4 PI by Andy
Thank you very much.
The box I am working on is also 10ft^3. The longest side is about 36" internal. It would not be used as true flanking sub but it may be low passed as high as 120Hz. If standing waves indeed form in this case, they would come ...
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