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141 Search Results Found |
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Forum: Speaker «»
Posted on: Sun, 25 October 2015 15:20 «»
By: Wayne Parham
Re: Mono "flanking sub"
A flanking sub is useful for one main speaker. So you can have just one, but if you do, it can't help both speakers of stereo mains. It can only help one.
The main job of a flanking sub is to smooth the self-interference anomalies from nearest bound...
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Forum: Pi Speakers «»
Posted on: Sun, 08 March 2015 10:42 «»
By: Wayne Parham
Re: Four Pi Frequency Response
That looks like a measurement made indoors. We're seeing room modes and self-interference. The dips around 100Hz to 150Hz look like self-interference from the nearest boundary, which are precisely what flanking subs correct.
You'll notice your first...
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Forum: Pi Speakers «»
Posted on: Tue, 17 February 2015 10:15 «»
By: Wayne Parham
Re: 7PI questions
The bass bin holds directivity up pretty high, because it is forced by the corner. But you'll get interference notches from self-interference and then rolloff at some point.
Whether vented or sealed doesn't really matter in this configuration. I ten...
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Forum: Pi Speakers «»
Posted on: Thu, 22 January 2015 10:53 «»
By: Wayne Parham
Re: Speaker placement and wavefront launch, revisited
I got your email and replied. But if you didn't see it, I'll post the jist of my reply here.
The best way to do what you're saying is to build the seven π cornerhorns, as shown in the plans. They are designed to be true constant directivity cornerho...
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Forum: Pi Speakers «»
Posted on: Mon, 20 October 2014 18:33 «»
By: j0nnyfive
The most optimal placement for a single sub
Hey Wayne! How are you liking Arkansas?
I'm still planning on getting a stereo pair of 4 Pi speakers, plus a pair of 2 pi speakers.
I'm torn about what to do about bass. I like the multisub idea in theory, but it would be nice to have one mega ...
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Forum: Measurement «»
Posted on: Mon, 22 September 2014 14:31 «»
By: Wayne Parham
Re: Acoustitape
That's the only tape measure I've seen that's calibrated in frequency, correlated with wavelengths at the speed of sound.
However, it's just a convenience (albeit a pretty cool one) because all sound professionals understand the significance of interf...
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Forum: Pi Speakers «»
Posted on: Mon, 15 September 2014 16:23 «»
By: Wayne Parham
Re: 7Pi Build 2014
Please do keep us posted. The midrange quality of the seven π loudspeaker is the best I've ever heard, due in part to the horn loading and part due to its close proximity to the corner apex, which prevents self-interference. So whatever is going wrong ...
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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...
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Forum: Pi Speakers «»
Posted on: Thu, 20 February 2014 15:38 «»
By: Wayne Parham
Re: How to improve?
I agree with the comments already provided. Constant directivity cornerhorns benefit from multisub installations just as much as any other loudspeaker configuration. There is some debate as to what individual loudspeaker configurations are least sensit...
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Forum: Pi Speakers «»
Posted on: Mon, 06 January 2014 12:42 «»
By: Wayne Parham
Re: Flanking subs and phase
It certainly cannot hurt to adjust for flattest response. That is the whole purpose of the flanking sub configuration - To provide smooth response by mitigating anomalies created by interference from the nearest boundaries, namely the wall behind the sp...
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