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495 Search Results Found |
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Forum: Pro Sound «»
Posted on: Thu, 29 April 2010 16:26 «»
By: Wayne Parham
Re: Build my own subs
I think that the number of subs required really depends on the environment and application, but you'll be hard pressed to find mains that can keep up with the 12π hornsub on a one-to-one basis. Usually, I see at least two mains flown for each sub. Some...
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Forum: Pi Speakers «»
Posted on: Thu, 29 April 2010 14:13 «»
By: Wayne Parham
Versions and Upgrades
I agree with your assessment of the crossover. The new version (2007) is an incremental improvement over the original, not a night-and-day paradigm shift by any means. The basic design hasn't changed in many years. But having the latest version of the...
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Forum: Pi Speakers «»
Posted on: Tue, 13 April 2010 21:27 «»
By: Wayne Parham
Re: 3pi/ 4pi plans
Stands are good for raising the sound source, particularly for smaller speakers. I think it becomes less necessary with larger speakers, and sometimes I use stands that are short enough they are probably best called angled risers. But sometimes even la...
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Forum: Pi Speakers «»
Posted on: Wed, 24 March 2010 10:25 «»
By: Wayne Parham
Re: 4 Pi build for HT
I'd love to see NWCgrad's build pics too. As for the internal bracing, yes, of course, if you displace too much internal volume you can affect performance. So the obvious reply is "don't". It is designed to have an internal cross-brace and t...
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Forum: Pi Speakers «»
Posted on: Wed, 17 March 2010 14:42 «»
By: Wayne Parham
Re: 4 Pi speaker stands?
The stands in that photo are 12" tall and have 7° tilt. There are lot of competent stand builders that can build to order. Most have standard sizes but will also custom build. They need to be a little larger than what some shops normally build bu...
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Forum: Pi Speakers «»
Posted on: Tue, 16 March 2010 18:29 «»
By: Wayne Parham
Re: 4 Pi and 7 Pi bass response- More similar or different?
If you have the right corners, then sure, seven π cornerhorns are better, definitely.
They have two big advantages, first is the corner sets the pattern constant all the way down in frequency, clear down to the Schroeder frequency. This is where room...
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Forum: Pi Speakers «»
Posted on: Tue, 16 March 2010 11:31 «»
By: Wayne Parham
Baffle Step
In my opinion, baffle step compensation filters can be useful, but only for a fairly limited number of loudspeaker types. I think they are way overused in the DIY community. BSC filters are best suited for little mini-monitor speakers with small baffle...
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Forum: Pi Speakers «»
Posted on: Tue, 09 March 2010 15:20 «»
By: Wayne Parham
Re: 7PI midrange directivity
The wall angles aren't exactly 90°x40°, more like 85°x30°. Those angles are what set the pattern up high, and the (corner) room boundaries are what set it down low.
To give a little more description of of the pattern, the flare wall angle sets the ra...
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Forum: Pi Speakers «»
Posted on: Mon, 08 March 2010 13:23 «»
By: krikor
Re: Just scored a pair of 3pi speakers!
Yes, I have a couple of ACI Force subs that I will be using, just don't have them setup for the 3Pi speakers yet. I wasn't expecting sub-woofer like extension, but until the woofer was wired properly I think it was cancelling some of the output with th...
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Forum: Pi Speakers «»
Posted on: Mon, 08 March 2010 13:08 «»
By: Wayne Parham
Re: Just scored a pair of 3pi speakers!
I'll send plans, at least for the current version. I don't have the old plans handy, but you'll want to update the crossovers anyway.
Glad you found the mis-connected woofer. I'm surprised I never heard about that from the original owner. I don't k...
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