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201 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Sat, 21 January 2023 20:43 «»
By: Wayne Parham
Re: Multisubs for pi7
You are correct that subwoofer phase in a small room isn't terribly important. The phase response of the subwoofer is swamped by room response below the Schroeder frequency, around 200Hz.
I don't care if you use sealed or vented direct-radiators, or ...
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Forum: Pi Speakers «»
Posted on: Sat, 16 January 2021 11:13 «»
By: Wayne Parham
Re: 2 Pi tower
I wouldn't suggest making any change to box dimensions in this model. It "rides the line" between being a transmission line and a bass reflex design. There are both internal standing waves and Helmholtz resonance in play in the bass region, s...
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Forum: Speaker «»
Posted on: Thu, 15 June 2017 15:23 «»
By: Wayne Parham
Re: Eminence Delta Pro 8-A in a JBL AM6200-64 horn project
Do searches here because you'll find a lot of information about horn loaded loudspeakers and how to design them.
I will tell you this for starters: A horn is really maxxed out at a decade, which is a little over two octaves. So if you plan to horn-l...
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Forum: General «»
Posted on: Wed, 13 April 2016 16:44 «»
By: Wayne Parham
Re: Analog or digital audio?
Both technologies have advantages and disadvantages, and the best systems exploit the strengths of their core mechanism and limit their weaknesses.
The strength of an analog recording is it has the potential of being a perfect copy, but its weakness i...
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Forum: Pi Speakers «»
Posted on: Tue, 03 December 2013 16:32 «»
By: Wayne Parham
Re: H290C Horn/Waveguide
There were several influences that drove my decision to create this horn. The most important one was an observation that radial horns having relatively constant horizontal directivity sounded best to me. Objectively, they had smooth response and unifor...
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Forum: Pi Speakers «»
Posted on: Wed, 27 February 2013 17:25 «»
By: Wayne Parham
Re: Cabinet design, port placement and internal standing waves
He used to supply a spreadsheet for ported cabinets tuned primarily using Helmholtz resonance. While his main focus was transmission lines, he also had a spreadsheet that covered bass-reflex boxes at one time. I'm sure he still does, or perhaps he morp...
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Forum: Pi Speakers «»
Posted on: Fri, 01 February 2013 13:21 «»
By: Wayne Parham
Re: Information about the 3 Pi Subwoofer
Those are good questions, thanks for asking.
The three π subwoofer is a good general-purpose subwoofer that covers the 20-200Hz decade. It was designed to be a high-quality subwoofer in a convenient size. It isn't specifically designed to be a flank...
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Forum: Pi Speakers «»
Posted on: Fri, 05 October 2012 23:15 «»
By: Wayne Parham
Pi Speakers FAQ
The π Speakers forum has a wealth of information, and the search feature provides a way to access all of it easily. However, this page offers introductory answers to frequently asked questions about our line of loudspeakers and the design philosophies we...
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Forum: Tower «»
Posted on: Sat, 26 May 2012 09:32 «»
By: gofar99
Re: Thiele and Small were right
Hi Wayne, Yes. Now I do have a pair of 15 subs designed for infinite baffles...I wounder how the chimney would work as a transmission line. Let's see 3 foot wide, 2 deep and about 20 tall.
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Forum: Pi Speakers «»
Posted on: Mon, 07 May 2012 12:15 «»
By: Wayne Parham
Re: 4Pi speaker tweek
I talked to Nick while he was contemplating this build. I told him the same thing I tell everyone that approaches me with a mod like this.
First, if you change the physical relationship between midwoofer and tweeter, the crossover has to be redesigne...
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