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495 Search Results Found |
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Forum: Room Acoustics «»
Posted on: Wed, 04 October 2017 15:59 «»
By: Wayne Parham
Re: Small-room acoustics
Actually, small rooms are harder to work with than larger rooms. The reflections and room modes are more intense in a small room. Speakers that can provide uniform directivity help reduce problems in the reverberent field, above around 200Hz, and as yo...
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Forum: Pi Speakers «»
Posted on: Wed, 20 September 2017 10:48 «»
By: Wayne Parham
Re: Various questions regarding 7Pi
The walls don't need to be rigid; In fact, a lossy wall is best. Just not one that buzzes as it vibrates.
The reason we like a lossy wall is it damps room modes. Ideally, we'd like a wall that became increasingly rigid above the Schroeder frequency...
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Forum: Pi Speakers «»
Posted on: Mon, 18 September 2017 18:33 «»
By: Wayne Parham
Re: Various questions regarding 7Pi
Answers by numbers:
Midhorn questions:
1. In the π constant directivity cornerhorn designs, the midhorn blends with the bass bin in the 100Hz to 200Hz region. There is enough output from both sound sources to mitigate vertical room modes and floor ...
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Forum: Room Acoustics «»
Posted on: Fri, 25 August 2017 02:42 «»
By: drake
Re: Foam versus fiberglass
I agree that there are speakers that sound much better than others in the same room. It is interesting to read all aspects regarding insulation and I think it is one of those topics that's non-exhaustive.
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Forum: Room Acoustics «»
Posted on: Mon, 21 August 2017 20:24 «»
By: Wayne Parham
Re: Foam versus fiberglass
There are a lot of things that go into making a great sounding room. Some are more important than others. Some are huge, other smaller "Nth degree" things. And sometimes, two different approaches solve similar acoustic problems to varying de...
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Forum: Room Acoustics «»
Posted on: Sat, 08 July 2017 12:36 «»
By: Wayne Parham
Re: The corners
Corners are associated with all room modes - axial, tangential and oblique. So they are effective places to damp bass sound. But the best way to damp room modes is with panel absorbers. Look them up:
Panel Absorbers
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Forum: Room Acoustics «»
Posted on: Wed, 31 May 2017 13:02 «»
By: Wayne Parham
Re: Room acoustic problems
Small rooms have greater problems with room modes.
Search for "reverberent field" to learn more about room treatments and loudspeaker configurations that work well from 200Hz up.
Search for "room modes" to learn more about room ...
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Forum: Room Acoustics «»
Posted on: Tue, 30 May 2017 09:14 «»
By: Wayne Parham
Re: Concrete Vs other types of wall
Rooms with concrete walls suffer from very strong room modes because the walls are rigid and there is almost no damping. They can also be very reflective at middle and high frequencies. For that reason, when people install sound systems in basements wh...
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Forum: Speaker «»
Posted on: Tue, 30 May 2017 09:09 «»
By: Wayne Parham
Re: Room gain?
A constrained space will increase SPL by virtue of directivity. But room modes in a small room will cause large deviations in SPL because of room modes. Some places will be very loud and some very soft at a given bass frequency. So the best thing to d...
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Forum: LSAF «»
Posted on: Wed, 10 May 2017 19:14 «»
By: Wayne Parham
Re: LSAF 2017
Kelly Parham greets you in the π Speakers room
I really loved the show this year. I always do, even with all the work, but this year was even better for me. We had our usual fun dinner night out on Saturday, this year with Scott and Donna Shaeffer...
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