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518 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
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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 …
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Forum: Pi Speakers «»
Posted on: Wed, 20 September 2017 10:48 «»
By: Wayne Parham
Re: Various questions regarding 7Pi
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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, around 200Hz. Below that, we'd prefer that the wall act as a panel absorber.
As for items in the room, of…
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Forum: Pi Speakers «»
Posted on: Mon, 18 September 2017 18:33 «»
By: Wayne Parham
Re: Various questions regarding 7Pi
…both sound sources to mitigate vertical room modes and floor bounce. Proximity to the corner provides boundary loading and the horn was designed with that in mind. But midhorn output is obviously reduced below 200Hz compared to the midband. It doesn't …
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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
… 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 degrees.
For …
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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
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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
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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 …
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Forum: Speaker «»
Posted on: Tue, 30 May 2017 09:09 «»
By: Wayne Parham
Re: Room gain?
… 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 do is to install multiple …
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Forum: LSAF «»
Posted on: Wed, 10 May 2017 19:14 «»
By: Wayne Parham
Re: LSAF 2017
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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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