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142 Search Results Found |
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Forum: Speaker «»
Posted on: Tue, 05 April 2011 15:24 «»
By: Wayne Parham
Room modes, multisubs and flanking subs
When I first considered the multisub approach, it was prompted by papers written by Todd Welti. He did several tests that showed in-room amplitude response could be made smoother using multiple subs, and gave specific guidance about placement. His favo...
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Forum: Pi Speakers «»
Posted on: Sun, 06 March 2011 13:21 «»
By: Adveser
Re: 2226j (16 ohm) usable?
If I may say so Wayne...
If you can get the drivers cheap, why not just install two drivers in parallel? Or would this cause too many problems with the design of the speaker box?
While we are on the subject, does more drivers reduce the modes inside ...
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Forum: Room Acoustics «»
Posted on: Sun, 27 February 2011 16:45 «»
By: Wayne Parham
Multisubs
Do a search for "multisub". The idea is to use multiple subs to smooth room modes, making the bass sound good throughout the room. That's the best way to setup subs, but it does require more than one.
If you have only one sub, it will soun...
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Forum: Pi Speakers «»
Posted on: Tue, 08 February 2011 12:35 «»
By: Wayne Parham
Re: Plans Request
There's no harm in using modal smoothing, no matter what kind of loudspeaker you use. But the best approach, obviously, is to start with mains that provide constant directivity at high frequency. Then when you use the multisub approach to provide a uni...
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Forum: Pi Speakers «»
Posted on: Tue, 08 February 2011 09:59 «»
By: rvsixer
Re: Plans Request
Thanks Wayne for the plans!
So I have been diving deeper into the archives, and came across a post suggesting that 3Pi sub(s) might be overkill for use with 2Pi towers, and multisub smoothing was most applicable to DI/CD applications. So more confused ...
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Forum: Pi Speakers «»
Posted on: Wed, 02 February 2011 11:01 «»
By: Wayne Parham
Re: Multisubs
What I mean when I say "leave the mains wide open" is to not high-pass them, let them run all the way down.
As you've said, conventional wisdom is to high-pass the mains at the same frequency you low-pass the subs. This is a traditional cro...
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Forum: Pi Speakers «»
Posted on: Tue, 01 February 2011 13:38 «»
By: Wayne Parham
Re: Here I'm again
I'd be happy to send plans - on their way now - check your mail.
On the subs, no, don't high-pass the mains. This is a different strategy than what is traditionally done.
Prosound installations usually high-pass the mains and low-pass the subs wit...
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Forum: Pi Speakers «»
Posted on: Tue, 11 January 2011 22:06 «»
By: Wayne Parham
Re: It's so great to have 12 inches
I know what you mean. The 2226 are very powerful, and they can really produce some midbass but not the deep low notes. For that, you really need subs. That's the best way to go, but it does take some space.
I remember the 2205 woofers from days gon...
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Forum: Speaker «»
Posted on: Sat, 01 January 2011 10:02 «»
By: Wayne Parham
Re: Subwoofers
Two subs are definitely better than one.
I wouldn't suggest driving them with tubes. You could, but I think it's a waste. Wrong tool for the job, in my opinion. Use tubes for mains, solid state for subs. Use plate amps for the subs or press an old...
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Forum: Pi Speakers «»
Posted on: Mon, 27 December 2010 10:12 «»
By: Wayne Parham
Re: Constant directivity verses on-axis EQ for non-uniform directivity (aka baffle step filters)
Glad it was helpful. I hope it made sense and wasn't too abstract.
I find myself getting a lot of the same questions and comments over the years, and I tend to link to past posts in reply. I had a list of about a dozen posts that sort of covered the...
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