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213 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Tue, 11 October 2011 23:52 «»
By: Wayne Parham
Re: 7pi cabinet plan request
If you don't have good acoustic measurement gear and experience using it, don't attempt a crossover (re)design. I've put a lot of time into these designs, and the crossovers are optimized to as close to pefection as is possible.
I don't want to disco...
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Forum: Pi Speakers «»
Posted on: Sat, 08 October 2011 23:13 «»
By: Wayne Parham
Re: Speaker placement and wavefront launch
It's neat stuff. The thing is, when you have constant directivity cornerhorns setup, you really get to hear what constant directivity sounds like. The sound field is uniform through the entire audio band, and the wavefront is unperturbed. Nothing else...
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Forum: Pi Speakers «»
Posted on: Thu, 06 October 2011 14:46 «»
By: Wayne Parham
Re: Speaker placement and wavefront launch
I have two answers for you, one that you asked for and the other, you didn't.
First is the reason sound waves become spherical at a distance. All sound waves in free space tend to radiate this way, even if they start off as a plane wave (like from ...
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Forum: Pi Speakers «»
Posted on: Fri, 09 September 2011 00:22 «»
By: Wayne Parham
Re: Contemplating a change
Well, I guess it's no surprised I'm biased, but then again, the trend towards uniform directivity among experts is clear. Controlled, uniform directivity is always welcomed, but in a small room, it's even more important because reflections are so much s...
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Forum: Pi Speakers «»
Posted on: Sat, 03 September 2011 00:05 «»
By: Maxjr
Re: Should I build Two or Three 4Pi Mains?
Thank you for the clear and succinct response, Wayne! I'm happy to hear this and only build two as that will reduce the costs by 50% ! I need to rereading that Hi-Fi Uniform Directivity Loudspeaker whitepaper again.
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Forum: Pi Speakers «»
Posted on: Thu, 01 September 2011 13:00 «»
By: Wayne Parham
Cone/dome two-way
I'd crossover at a lower frequency, but I'm not sure I'd go fourth-order, probably less, depending on what the tweeter could handle. You'll also probably want to make the woofer and tweeter crossover filters symmetrical, i.e. same frequency and slope. ...
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Forum: Pi Speakers «»
Posted on: Sun, 21 August 2011 20:24 «»
By: Wayne Parham
Re: 2-Pi towers or 3-Pi's ?
I find that to be a pretty accurate assessment, especially when comparing the two π tower with the stock (all-Eminence) three π speaker. The two π tower has deep, full bass and nice smooth treble. It definitely has audiophile qualities, and is worthy o...
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Forum: Pi Speakers «»
Posted on: Tue, 16 August 2011 14:52 «»
By: Wayne Parham
Re: 1pi or 2pi for surrounds?
I actually prefer the little one π and two π speakers as surrounds. They're a spectral match with the larger uniform-directivity models, but not a directivity match. Surrounds really shouldn't be a directivity match anyway, because the pattern would be...
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Forum: General «»
Posted on: Thu, 11 August 2011 22:23 «»
By: Wayne Parham
Audiophile words
I've generally avoided using "audiophile words" as adjectives to describe sound quality, preferring to talk about things in a more concrete, technical manner. But I do know that many people try to describe qualities using adjectives they know,...
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Forum: Pi Speakers «»
Posted on: Sun, 24 July 2011 11:02 «»
By: dutchswan0311
Re: 4pi Commercial Dinner Theater Build
Wayne...
I just read your paper on Hi-Fi Uniform Directivity Loudspeakers. Facinating. I am not sure what is more scary, the fact that I understood 95% of it, or that I found it facinating. It is good to know that you guys really know your stuff, a...
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