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93 Search Results Found |
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Forum: Speaker «»
Posted on: Sat, 23 May 2009 22:03 «»
By: Wayne Parham
My personal opinions of various design philosophies
I have measured and heard the difference from a horn with mouth roundover compared with another similar horn with a sharp terminating edge. I should say right off that this is not always the case, and specifically, if used at a high enough crossover the...
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Forum: Silicon Valley «»
Posted on: Mon, 30 March 2009 17:27 «»
By: Wayne Parham
Active Sub Crossover
On a lark, I purchased an active subwoofer crossover module a few months back. I was looking at options to plate amps, something that would allow me to use one of my many existing amplifiers with subs. My thinking was that plate amps are fine, but I al...
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Forum: Pi Speakers «»
Posted on: Thu, 19 March 2009 13:24 «»
By: Wayne Parham
Waveguides ARE Horns
The term "waveguide" has been applied to horns that provide constant directivity using a flare that doesn't require diffraction for waveshaping. They're a specialized subset. An acoustic waveguide is a horn, but a horn is not necessarily a wa...
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Forum: Pi Speakers «»
Posted on: Sun, 14 September 2008 13:54 «»
By: Bill Epstein
Re: I'm moving this follow-up here
In Reply to: Re: 1 on the ramp, 1 in the hanger posted by Norris Wilson on September 10, 2008 at 16:50:32:I mentioned in the text that the soundstage is much improved (see the comment about piano position) and the bass is very good but I can expand on tha...
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Forum: Pi Speakers «»
Posted on: Sun, 14 September 2008 13:46 «»
By: Bill Epstein
Re: 1 on the ramp, 1 in the hanger, follow-up
I mentioned in the text that the soundstage is much improved (see the comment about piano position) and the bass is very good but I can expand on that a bit.One of my worries was that the smaller cabinet wouldn't yield the bass impact of the larger and it...
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Forum: Pi Speakers «»
Posted on: Wed, 08 August 2007 12:14 «»
By: Wayne Parham
Re: Push-pull versus shorting rings
To understand how either push-pull drive or shorting rings work, you have to understand what they're trying to fix.
Basically, the problem is that the force that moves the cone is not perfectly linear, and its back and forth motion is not perfectly sy...
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Forum: Pi Speakers «»
Posted on: Tue, 24 July 2007 16:09 «»
By: Wayne Parham
Woodhorn tweeter measurements
π Speakers 90° wood tweeter hornThis is the end result of a long time dream of mine, to have a very high quality wood horn tweeter for my speakers. I wanted a horn that had the right acoustic properties and be visually appealing too. There are lots of g...
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Forum: Speaker «»
Posted on: Sun, 17 December 2006 05:45 «»
By: Bob Brines
Re: Need help with a center channel
That's one huge center channel by normal standards. Where are you going to put it? It sounds to me that this should be behind the screen of a front projection TV. Given all of the other things that can go wrong with center channels, you need to have the a...
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Forum: General «»
Posted on: Fri, 03 November 2006 09:11 «»
By: Norman Tracy
Re: audio crafters guild at RMAF
Hi Folks,I’m that guy from Audio Crafters Guild who Greg could not remember the name of ( ). So let me begin by saying “thank you so much” to Greg for the kind words on the Facet Audio Labs/Audio Crafters Guild room at RMAF 2006. We had a great time dem...
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Forum: Swap Meet «»
Posted on: Fri, 25 August 2006 09:49 «»
By: SASAudioLabs
Introducing the Reference 11A Preamplifier
I am pleased to introduce the new Reference 11A series, single chassis Linestage Preamplifiers to Audio Circle members. The 11As are the culmination of decades of research and development.The 11As incorporates a new, superior design and look.http://www.sa...
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