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238 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sun, 27 June 2010 02:42 «»
By: Wayne Parham
Re: four π, seven π, multisubs
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Multisubs improve the sound of any system, regardless of the quality of the mains. I would rather have four π speakers with multisubs than seven π speakers without. Of course, I'd rather have seven π speakers with multisubs, given the right room …
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Forum: Pi Speakers «»
Posted on: Tue, 15 June 2010 14:27 «»
By: Wayne Parham
Re: 4Pi crossover issue
…, no matter where you put the mains, I think multisubs are a good idea.
Some rooms are better than others, where room modes are concerned. Rooms with framed drywall on concrete slabs are pretty friendly, usually, and modes aren't too bad. Concrete, …
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Forum: Speaker «»
Posted on: Tue, 16 February 2010 14:34 «»
By: Duke
Re: Multiple Subwoofers
… be set at -4 dB.
But using distributed multisubs, the worst peak is maybe something like +4 dB. So now you can turn the bass up more before that worst peak becomes the limiting factor.
Equalization of a single sub can smooth the bass at one …
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Forum: Pi Speakers «»
Posted on: Sat, 21 June 2025 10:47 «»
By: Wayne Parham
Re: Compact version of 6Pi / 7Pi
…by adding more sound sources, similar to multisubs but used higher in frequency. Those higher frequency modes are usually worst from the first-order vertical axial mode, but also include higher-order modes and tangential and oblique modes.
In …
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Forum: Pi Speakers «»
Posted on: Wed, 05 June 2024 12:01 «»
By: Wayne Parham
Re: 7Pi questions and plan
… You can always use both - panel dampers and multisubs - but if I had to choose just one, I'd choose multisubs.
The 2226H can be used down to 40Hz, but it really isn't designed for deep bass. Its best use is as a midwoofer. One can casually observe …
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Forum: Pi Speakers «»
Posted on: Thu, 02 November 2023 18:51 «»
By: Wayne Parham
Re: 3Pi plans and questions
…one or two more distant subs configured as multisubs.
It may seem like overkill, but there was a time when people thought anything more than two speakers for stereo was overkill. And a time before that when things were mono - just one speaker. Now …
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Forum: Pi Speakers «»
Posted on: Sat, 21 January 2023 16:34 «»
By: Wayne Parham
Re: Multisubs for pi7
…makes it inconvenient to use hornsubs for multisubs.
The main benefit that hornsubs offer is maximum acoustic energy. But we really don't need maximum acoustic energy to make it ear-shatteringly loud in a small room.
The most problematic thing in a…
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Forum: Pi Speakers «»
Posted on: Sat, 24 September 2022 15:51 «»
By: Wayne Parham
Re: Subwoofer amp and crossover
…and mitigation of SBIR in this region.
Also search for "multisubs." These are placed further away from the mains and they smooth lower frequency room modes. Multisubs can be used with flanking subs for the smoothest in-room response…
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Forum: Pi Speakers «»
Posted on: Tue, 23 August 2022 09:09 «»
By: Wayne Parham
Re: My 3π adventure
…me to discuss the use of flanking subs and multisubs, and the reasons for needing them. So I became involved in those responses and forgot to come back to box tuning. I'll correct that now.
Your measurement of the Helmholtz frequency looks correct to…
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Forum: Pi Speakers «»
Posted on: Mon, 22 August 2022 17:01 «»
By: Wayne Parham
Re: My 3π adventure
…modal region. It's why we want to employ multisubs and flanking subs. The mains can't do much there by themselves, at least not without energizing room modes, which is generally counter-productive.
This gradual rolloff below 150Hz is caused by baffle…
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