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89 Search Results Found |
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Forum: Speaker «»
Posted on: Tue, 21 February 2006 10:08 «»
By: Wayne Parham
Sub placement
… mode problems. One solution involves using multiple subs strategically placed to partially cancel peaks and fill in the holes caused by standing wave nodes within the room.Welti suggests four corner placement or four subs placed at wall midpoints. …
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Forum: Pi Speakers «»
Posted on: Wed, 23 January 2013 11:57 «»
By: Wayne Parham
Re: Flanking Subs vs Helper Woofers
… As long as they aren't clustered together, multiple distributed subs will always provide better response and seat-to-seat consistency than a single subwoofer, no matter where they are placed.
A second observation is that placements can be optimized …
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Forum: Speaker «»
Posted on: Tue, 05 April 2011 15:24 «»
By: Wayne Parham
Room modes, multisubs and flanking subs
…response could be made smoother using multiple subs, and gave specific guidance about placement. His favored locations for subwoofers in a rectangular room were to use a sub at each wall midpoint (four subs total), a sub at each room corner (four subs …
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Forum: Speaker «»
Posted on: Thu, 08 December 2005 12:50 «»
By: Rapid
Levers and multiple subs
…at the second stage)? What's the problem with using a large ratio of the radiating areas?Also, I wonder about multiple subs. I think I've read somewhere that the more subs you scatter around the room, the flatter bass you'll get. Is this true?/Mattias…
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Forum: Pi Speakers «»
Posted on: Fri, 04 January 2019 11:35 «»
By: Barryso
More on subs
…gear but tough room.
We've implemented multiple subs in three steps in the past year or so. I'll spare you the details of why it took so long to bring it all together as there were a few technical obstacles to overcome with his big sub. But the wait …
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Forum: Speaker «»
Posted on: Mon, 07 July 2008 14:24 «»
By: Wayne Parham
How about multiple smaller subs?
…you to smooth room modes. My suggestion would be to use four smaller subs and position them where CARA shows will give you the smoothest bass throughout the room. An example would be four LAB12 woofers in 4ft3 cabinets.
Sub placement (multiple subs…
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Forum: Room Acoustics «»
Posted on: Wed, 04 October 2017 15:59 «»
By: Wayne Parham
Re: Small-room acoustics
…eld, above around 200Hz, and as you've said, multiple subwoofers help smooth the bass sound field in the modal region, below about 200Hz.
There are a handful of approaches to the multiple subwoofer idea:
1. Symmetrically-placed distributed …
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Forum: Measurement «»
Posted on: Mon, 20 July 2015 08:05 «»
By: Jag768
Software for optimizing multi sub parameters
…ties. I would really like to try to do a computer based optimisation. I found a tool made by Andy c, however, it doesnt appear to be available.
Does anyone know of software that can optimize multiple subs based on the individually meassured responses…
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Forum: Room Acoustics «»
Posted on: Wed, 11 July 2012 17:00 «»
By: FloydV
How to setup multiple subs
…Parham says that up to four subwoofers adds a smooth bass sound field that is much better than one.
Here is my question: I have a Pioneer receiver that uses a mike to calculate the distance between the listener and all the speakers. By doing that it …
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Forum: Pi Speakers «»
Posted on: Wed, 03 December 2008 18:14 «»
By: Wayne Parham
Re: How many subs are enough?
…of sound sources is closer to even multiples of 1/2λ (i.e. no shift or full cycles, 0/2, 2/2λ, 4/2λ, etc) and dips where the summing is closer to odd multiples of 1/2λ (1/2λ, 3/2λ, 5/2λ, etc.) If all sound sources are shifted less than 1/4λ, summing is …
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