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1 Forum: Pi Speakers «» Posted on: Thu, 04 September 2014 10:23 «» By: Wayne Parham
Re: My new 4Pis
I just love the looks of those speakers in red! Especially with the red amp and stereo rack. Love that amp, by the way. It's awesome! When you have the time and/or budget, please do setup some flanking subs. Those have a specific purpose, which is...
2 Forum: Home Theater «» Posted on: Sat, 17 May 2014 00:41 «» By: Wayne Parham
Re: Concrete walls
Concrete walls make room modes much more pronounced than rooms with less rigid walls. You'll want to add some damping, like panel absorbers, for best results.
3 Forum: Pi Speakers «» Posted on: Wed, 07 May 2014 20:58 «» By: Fritz Bogott
Solved: Gnarly room modes.
D'oh. It was a mic-placement / room modes issue. Now I have the room modes to deal with, but at least I know it's not the cabs.
4 Forum: Pi Speakers «» Posted on: Fri, 13 December 2013 21:25 «» By: Wayne Parham
Re: Corners and frequencies
I've designed constant directivity cornerhorns for over three decades, and the current configuration is the best I've come up with. There are a handful of competing priorities, some that you've mentioned like listener height and others too, like acousti...
5 Forum: Pi Speakers «» Posted on: Fri, 06 December 2013 10:15 «» By: Wayne Parham
Re: Two 3 pi subs to replace my horn?
You've got mail! Hornsubs are about 10dB louder than most direct radiating subs, sometimes even more. So it takes more power to get the same SPL, and even then, you really need more of them to prevent overtaxing them. On the other hand, hornsubs h...
6 Forum: Pi Speakers «» Posted on: Mon, 02 December 2013 15:05 «» By: Wayne Parham
Re: Looking for a change
I've sent the plans. You've got mail! I would suggest using your existing subs, flanking the mains, as described in these posts: Room modes, multisubs and flanking subs Helper Woofer LocationFor more information: Pi Speakers FAQ
7 Forum: Pi Speakers «» Posted on: Fri, 29 November 2013 08:45 «» By: Wayne Parham
Re: 3 pi subwoofer usage?
I always suggest flanking subs. See the following posts: Room modes, multisubs and flanking subs Helper Woofer Location
8 Forum: Pi Speakers «» Posted on: Thu, 28 November 2013 09:35 «» By: Wayne Parham
Re: 4 Pi and 7 Pi bass response- More similar or different?
A constant directivity cornerhorn doesn't suffer self-interference anomalies from nearest boundaries. So there is no need for flanking subs. Instead, you would want to setup the subwoofers as distributed subs, a little further from the mains and low-pa...
9 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...
10 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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