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238 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Thu, 08 November 2012 15:45 «»
By: Wayne Parham
π Constant Directivity Cornerhorn: Bass Bin Design Details
…with what the system does, because we use multisubs for that range, to get modal smoothing and extension. In the modal range, the woofers in constant directivity cornerhorns provide sound sources in the corners, and other locations of deep bass sound …
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Forum: Pi Speakers «»
Posted on: Fri, 05 October 2012 23:15 «»
By: Wayne Parham
Pi Speakers FAQ
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Corners and frequencies
Room modes, multisubs and flanking subs
Helper Woofer Location
Flanking Subs vs Helper Woofers
Benefits of Flanking Subs
Simulations and Measurements
π Speakers Measured Datasets
Spice crossover models
Determining …
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Forum: Pi Speakers «»
Posted on: Thu, 20 September 2012 02:51 «»
By: audiothings
Re: 3Pi speakers - various questions
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Thank you Wayne. I have incorporated the above suggestions into my current design idea.
As I mentioned, I have read your work, and that of Dr. Geddes. In this case, there are a couple of reasons why I am disinclined to take this route.
…
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Forum: Pi Speakers «»
Posted on: Thu, 20 September 2012 00:13 «»
By: Wayne Parham
Re: 3Pi speakers - various questions
…mains, so you can use them as distributed multisubs. This will help smooth room modes.
Second, don't run the mains sealed, but rather keep them ported. In fact, don't deviate from the plans at all. I don't say this to be arrogant, but just to …
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Forum: Pi Speakers «»
Posted on: Tue, 07 August 2012 10:36 «»
By: Wayne Parham
Re: 3 Pi and 4 Pi comparison
…extension, in my opinion.
Room modes, multisubs and flanking subsI'm also a little concerned about the adjustment to box size you mentioned. I can appreciate your wanting to use a cabinet you built in the 1950s. I'm pretty sentimental, so there's a …
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Forum: Pi Speakers «»
Posted on: Sat, 21 July 2012 11:03 «»
By: Wayne Parham
Re: Pi7 Mid Horn Question's
…50Hz. The common 35-40Hz dip is not nearly as noticeable as one in the 80-120Hz range, both because of our ear's increased sensitivity in the higher range and because the ripple is usually larger in amplitude.
Room modes, multisubs and flanking subs…
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Forum: Pi Speakers «»
Posted on: Thu, 21 June 2012 11:07 «»
By: Wayne Parham
Re: 4PI Cabinet plans / question
… sealed mains to be easier to integrate with multisubs. In fact, I'd say this presumption goes against the whole multisub concept, which is to blend sound sources having various phase relationships and physical locations in the modal region.
The …
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Forum: Pi Speakers «»
Posted on: Sat, 02 June 2012 10:30 «»
By: Wayne Parham
Re: 4 Pi Design Questions
… box. So truly, the best approach is to use multisubs (flanking and distributed) to smooth this range, which will provide both extension and modal smoothing.
My conclusion is this: Since the mods have not introduced any additional ripple above 200Hz…
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Forum: Pi Speakers «»
Posted on: Fri, 27 April 2012 10:39 «»
By: Wayne Parham
Re: Baffle wall
… It's not thick enough. That's the reason we use flanking subs - Their job is to reduce anomalies caused by the nearest boundaries, the back wall being the biggest offender.
Speaker placement and wavefront launch
Room modes, multisubs and flanking …
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Forum: Pi Speakers «»
Posted on: Thu, 15 March 2012 13:59 «»
By: Wayne Parham
Re: Request for plans
…speakers may be used with flanking subs to good effect. To learn more about each of these things, see the following links:
High-Fidelity Uniform-Directivity Loudspeakers
Speaker placement and wavefront launch
Room modes, multisubs and flanking subs…
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