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130 Search Results Found |
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Forum: Speaker «»
Posted on: Wed, 21 December 2005 15:34 «»
By: Wayne Parham
Re: I can think of one
I understand your position but I do not agree with it fully. Let me explain.The strength of a loudspeaker designed to match DI at the crossover point is that the polar response is pretty uniform, not just the axial response. On this, you and I agree.But...
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Forum: Speaker «»
Posted on: Wed, 05 October 2005 17:48 «»
By: Wayne Parham
Re: Benefits of a wideband driver for off axis decay
Controlled directivity is desireable because you can reduce early reflections by directing the sound so it doesn't bounce off nearby walls. Constant directivity is desireable because it makes the reverberent field uniformly charged. Next best thing is u...
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Forum: Pi Speakers «»
Posted on: Wed, 07 September 2005 06:46 «»
By: Wayne Parham
Re: best for SET's
There are lots of good speaker choices, depending on your amplifier and the price point you're comfortable with. For the room with useable corners, I'd suggest the best system would be the Audiophile Series seven π or seven π-18.Audiophile Series seven π...
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Forum: Pi Speakers «»
Posted on: Mon, 20 June 2005 09:22 «»
By: Wayne Parham
You might ask them
Compression drivers are designed to be used with a horn. They are a lot like dome mid/tweeters but since they are designed to be used mounted on a horn, they are optimized for that application. A horn reduces excursion, so without a horn, diaphragm excu...
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Forum: Pi Speakers «»
Posted on: Fri, 17 June 2005 01:41 «»
By: Wayne Parham
π Cornerhorns - a brief history
The basic seven π cabinet has been unchanged since inception in the 1970's. It's a very simple design, with its main feature being that the woofer radiates from the apex of the room's corner. The corner is used as a large CD horn that provides 9dB DI a...
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Forum: Pi Speakers «»
Posted on: Fri, 17 June 2005 00:32 «»
By: Wayne Parham
Re: 4Pi -> 7Pi Plan, making the 7Pi's shorter
One possibility is to make your four π cabinets with the tweeter external, and moving the woofer up in the cabinet. That way you can add the midhorn and change crossover later. It's best to put the system in the corner, facing 45º, just like the corn...
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Forum: Pi Speakers «»
Posted on: Fri, 03 June 2005 10:35 «»
By: Wayne Parham
Re: DI matched two-way
DI is Directivity Index. A circular radiator is nearly omnidirectional at low frequencies but as frequencies rise, the patterns starts becoming more and more directional. If the speaker crossover is set at the frequency where the midwoofer's collapsing ...
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Forum: Pi Speakers «»
Posted on: Fri, 06 May 2005 01:18 «»
By: Wayne Parham
GPAF coverage
I was really pleased with how everything turned out at the recent Great Plains Audiofest last weekend. I wrote some impressions in the General forum on AudioRoundTable.com, but I wanted to mention a few things here that I didn't think were appropriate on...
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Forum: Pi Speakers «»
Posted on: Wed, 04 May 2005 10:35 «»
By: Wayne Parham
Re: You've got mail!
The speakers you are referring to are made by the person who used to make my cabinets and midhorns, so that's why you see such a similarity. If you don't have two good corners, you can build a three or four π loudspeaker with a midhorn. Just be sure the...
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Forum: Speaker «»
Posted on: Sat, 16 April 2005 22:27 «»
By: Wayne Parham
Directivity, the reverberent field and "imaging"
On a similar note, we touched on these topics in the thread called "Favorite Flavors."
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