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238 Search Results Found |
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Forum: Room Acoustics «»
Posted on: Thu, 28 February 2019 09:13 «»
By: Wayne Parham
Re: Making your audio sound better
…terms like "room modes," "multisubs" and "flanking subs." Might also study the concept of the "reverberent field" and the difference between the "modal region" and the "statistical region" of …
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Forum: Pi Speakers «»
Posted on: Fri, 30 November 2018 09:40 «»
By: Wayne Parham
Re: Amp for 4pi speakers
…- but below 60-80Hz is where distributed multisubs work best.
Your measurements show a perfect example of what the flanking sub configuration does:
Without flanking subs:
With flanking subs:
As for over-representation in the 100-300Hz …
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Forum: Pi Speakers «»
Posted on: Tue, 27 November 2018 12:21 «»
By: Wayne Parham
Re: Amp for 4pi speakers
…egion, and this is too high for more distant multisubs to mitigate.
You may find that you do have a notch or two above 100Hz, and that a higher-resolution measurement would expose them. In fact, I think I see evidence of that in the dip around 120Hz…
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Forum: Room Acoustics «»
Posted on: Wed, 03 October 2018 13:03 «»
By: Wayne Parham
Re: The shape of the room
…work with what you have. But damping and multisubs really help smooth room modes. If I had to choose between a golden-ratio room with hard surfaces and a single subwoofer or a square room with panel dampers and multisubs, I'd choose the latter. So you …
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Forum: Pi Speakers «»
Posted on: Mon, 24 September 2018 09:21 «»
By: Wayne Parham
Re: Will it work? Audio in conservatorie?
…use seven π cornerhorns with distributed multisubs or four π mains with flanking subs and possibly one or two distributed multisubs. Either setup will work for you in that room, and I think they'll sound pretty good. I always prefer constant directivity…
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Forum: Speaker «»
Posted on: Wed, 05 September 2018 09:11 «»
By: Wayne Parham
Re: Horn mouth vs. front baffle or "speaker cone"
Looks like a great speaker. And you're right - They work the same way multisubs do. They are multisubs.
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Forum: Pi Speakers «»
Posted on: Sat, 19 May 2018 12:41 «»
By: Wayne Parham
Re: DSP for subwoofer(s)
…of flanking subs and a pair of distributed multisubs. The mains are run fullrange, or for really high-output requirements, the mains can be high-passed at the Helmholtz frequency to prevent overexcursion. That just removes the content that wouldn't be …
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Forum: LSAF «»
Posted on: Thu, 10 May 2018 09:07 «»
By: Wayne Parham
Re: LSAF 2018
… opposite corners, configured as distributed multisubs.
In either case, the listening position is a couple feet behind the axes-crossing point, which is also a few feet away from the wall behind the listeners. The rooms aren't large enough, but they …
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Forum: Pi Speakers «»
Posted on: Fri, 04 May 2018 18:10 «»
By: Wayne Parham
Re: Questions about Pi Speakers
…on usage, e.g. flankning subs, distributed multisubs, etc. Please search the forum for these terms for more information:
Flanking Subs
Multisubs
Active Sub CrossoverIf I want to modify the enclosure (retain the same internal volume) to adapt to …
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Forum: Speaker «»
Posted on: Thu, 01 March 2018 09:12 «»
By: Wayne Parham
Re: Dead Spots
…is the result of room modes.
Read about multisubs and flanking subs. That's the way to get smooth bass which is uniform in all locations in the room.
In the meantime, you may be able to mitigate the straight-on dead-spot by reversing the wires on …
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