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130 Search Results Found |
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Forum: Room Acoustics «»
Posted on: Tue, 09 May 2017 12:58 «»
By: Wayne Parham
Re: Placing speakers against the wall
Just to be clear for those that don't study the material in the links:
Placing a speaker against the wall that is not designed for it has disadvantages. But a speaker can be designed to be placed against a wall, turning potential problems into streng...
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Forum: Room Acoustics «»
Posted on: Mon, 08 May 2017 20:59 «»
By: Wayne Parham
Re: Placing speakers against the wall
The problem is early reflections, and the frequency response anomalies that result.
If the sound source is acoustically close to the boundary, it's a good thing. But if not - and that's usually impossible - then the boundaries give unwanted reflectio...
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Forum: Pi Speakers «»
Posted on: Fri, 22 May 2015 11:10 «»
By: Wayne Parham
Re: Supertweeters?
I have done that, and it does add "sparkle." But I don't like the fact that there's no-way to get summing right through the 90°x40° pattern. The wavelengths are too small and the distances between sound sources too great. So the top octave i...
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Forum: Pi Speakers «»
Posted on: Wed, 12 June 2013 10:16 «»
By: Wayne Parham
Re: Uniform Directivity - How important is it?
Based on my observations over the years, I have made three basic assumptions that largely drive my design choices:
My first working assumption is that speakers with constant beamwidth always sound better than speakers that don't, provided everything e...
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Forum: Pi Speakers «»
Posted on: Mon, 20 May 2013 13:13 «»
By: Wayne Parham
Uniform Directivity - How important is it?
I must say that I'm in the middle on this subject of directivity and how much it matters. Back when directivity wasn't even considered by most audiophiles, I made more a point of discussing its importance. But now that constant directivity has become m...
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Forum: Speaker «»
Posted on: Tue, 19 February 2013 16:41 «»
By: Wayne Parham
Re: Dayton Audio/Eminence Full Range Single Driver
Sounds like a worthwhile approach.
As an aside, I've always said baffle step compensation is a one-dimensional treatment of a three-dimensional problem, so I'm generally not for it. The two things don't match: BSC tailors uses electrical equalization...
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Forum: Room Acoustics «»
Posted on: Tue, 03 July 2012 16:04 «»
By: Wayne Parham
Re: Help with placement of subs with Three Pis
Either position A or B would work, but I would prefer A. That position will do a better job of smoothing the reflection off the back wall than the side walls. But this is truly minutia, because if your speakers are positioned tightly in the corners, ne...
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Forum: Pi Speakers «»
Posted on: Sat, 31 December 2011 18:28 «»
By: Wayne Parham
Re: how'd we get here (or where is this)?
Yeah, you're right. I found this path three decades ago and never looked back. There are other design types that have come and gone, the darlings of the day for audiophiles. But in this approach, I've never wavered. It's the best way to build loudspe...
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Forum: Pi Speakers «»
Posted on: Sat, 03 December 2011 09:09 «»
By: Wayne Parham
Re: B&C DE250/H290 supplement.
A Bose 901 creates a sound field that is 90% reflected. A horn creates sound that is 90% direct. They are two different approaches and I wouldn't combine them.
In my opinion, directional sound is best for mains and reverberent sound is best for surr...
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Forum: Pi Speakers «»
Posted on: Wed, 02 November 2011 11:01 «»
By: Wayne Parham
Re: Super Tweeters
First, a technical answer then a more actionable one:
At high frequencies, pretty much everything indoors acts like multiple subs. This is called dense interference. The reverberent field is charged with an infinite number of tightly spaced phase re...
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