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495 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sun, 24 November 2013 11:37 «»
By: Wayne Parham
Re: 4Pi Placement
The main thing is to cross the mains axes in front of the listeners, and to use flanking subs. The flanking subs will both add extension and also smooth the self-interference notches from the wall behind the speakers, vertical modes and other similar an...
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Forum: Pi Speakers «»
Posted on: Fri, 13 September 2013 08:10 «»
By: Wayne Parham
Re: First coil in woofer's LPF with and without helper woofers
That's kind of the point, yes. If you don't use helper woofers, then the mains are the only sound sources down low. And those tend to both rolloff sooner and shift source directivity from (baffle influenced) halfspace to omnidirectional. Then add to t...
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Forum: General «»
Posted on: Fri, 05 July 2013 20:32 «»
By: gofar99
Re: "Are Audiophiles Wasting Their Money?"
Hi, I have encountered a number of similar thought, both pro and con. I find there is some merit to each. If you go the really cheap route and get big box store stuff it is almost always unsatisfactory in some manner. Frequently it will not last well. ...
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Forum: Pi Speakers «»
Posted on: Fri, 07 June 2013 13:35 «»
By: Wayne Parham
Re: Pete's Home Theater Build
Sounds like a great plan. I think that's what I would do too.
Are you still planning to run constant directivity cornerhorns? Or are you going back to your original plan of using four π mains? The cornerhorns would be perfect for that room, but one...
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Forum: Pi Speakers «»
Posted on: Sat, 01 June 2013 12:21 «»
By: Wayne Parham
Re: Damping H290C horn
Yes, I expect self-interference and room modes are likely the problem. I use the three π subs, which have a LAB12 woofer in them. But you can use a smaller sub, perhaps one that doesn't give as much extension, if you're worried about bothering the neig...
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Forum: Pi Speakers «»
Posted on: Sat, 01 June 2013 11:28 «»
By: vandevoordekoen
Re: Damping H290C horn
Thank you! I will try to damp the horns with the modelling clay.
There is an insulation sheet between the high and the low section of the speaker (hanging across the brace). But it isn't high quality insulation, however thick enough.
If the quality o...
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Forum: Pi Speakers «»
Posted on: Wed, 22 May 2013 16:21 «»
By: Wayne Parham
Re: 3pi with Sonido SCW-300
Looks great!
About the subwoofer information, look at the following links, which are a part of the Pi Speakers FAQ:
High-Fidelity Uniform-Directivity Loudspeakers
Speaker placement and wavefront launch
Room modes, multisubs and flanking subs
Hel...
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Forum: Pi Speakers «»
Posted on: Mon, 20 May 2013 17:08 «»
By: Wayne Parham
Re: Uniform Directivity - How important is it?
To offer a little more information, consider the following sonograms:
First, the ideal directivity pattern would be constant through the entire audio band. A constant directivity cornerhorn comes close to this, because the walls confine the beam down...
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Forum: LSAF «»
Posted on: Tue, 07 May 2013 21:46 «»
By: Wayne Parham
Re: LSAF 2013
My room is definitely commercial, but it grew out of a hobby and is decidedly slanted towards DIY. In fact, for the first couple years my Pi Speakers forum was online, I didn't sell anything, just like you guys. I just provided plans for my speakers, a...
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Forum: Speaker «»
Posted on: Sat, 30 March 2013 16:53 «»
By: Wayne Parham
Re: Subwoofers
I would suggest even more than one subwoofer. Not because they are needed for sound pressure level, but because the smooth room modes. See the attached link for more information:
Room modes, multisubs and flanking subs
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