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52 Search Results Found |
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Forum: Speaker «»
Posted on: Mon, 28 February 2005 15:42 «»
By: JLM
Re: Speaker Search
Qts is a driver Thiele/Small (accepted) parameter that indicates how stiff/compliant the driver is.Yes the Abby is an excellent example of a TQWP. Jazz, folk, and chamber music are examples of good uses for TQWP. OTOH can a speaker really be "good" if i...
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Forum: Measurement «»
Posted on: Sat, 29 January 2005 06:21 «»
By: adavis464
Re: Would like some advice
Clio $749,praxis $1200,Lms $1400(thats with no simulation software).Clio is like an entry level CLIOWin Lite Electroacoustic Measurement Systemfrom AudiomaticaTurns your PC into the most complete easy-to-use electrical and acoustical measurement system…CL...
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Forum: Measurement «»
Posted on: Fri, 03 December 2004 00:30 «»
By: Wayne Parham
To measure or not to measure (and what good is it anyway?)
Any good engineer or scientist will tell you that the proof of any concept requires measurements. Measurements provide verification. Without validation of a concept, it is just a hypothesis.But where does that leave the DIY builder? If building loudspe...
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Forum: Measurement «»
Posted on: Mon, 29 November 2004 09:48 «»
By: Wayne Parham
Thiele / Small Measurements
There was a post asking about T/S measurements and I came here looking for an example to link to. After realizing there wasn't one, I decided to link one here.
Thiele / Small Measurements
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Forum: Speaker «»
Posted on: Mon, 29 November 2004 09:46 «»
By: Wayne Parham
ThieleSmall.com
Sorry to disappoint you, because the electro-mechanical parameters for your Vitavox drivers are not in the database at www.ThieleSmall.com. But I thought you might be interested to know about this database anyway.You might measure the specs and submit th...
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Forum: Speaker «»
Posted on: Thu, 12 August 2004 17:20 «»
By: Martin
Re: Lowther / Fostex
Your letting my off too easy!Actually, many of the Lowther and Fostex eight inch drivers share similar Thiele/Small parameters. The Fostex FE-206E and FE-207E and most of the eight inch Sigma drivers along with almost all of the Lowther drivers are fairl...
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Forum: Pi Speakers «»
Posted on: Wed, 24 September 2003 10:39 «»
By: Wayne Parham
C4, B4, QB3 and EBS
If you're interested in looking at several alignments, I suggest reading Davies' T/S implementation, and studying the popular generalized alignments such as C4, B4, QB3 and EBS. Davies was the one responsible for suggesting a popular critically damped ali...
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Forum: Pi Speakers «»
Posted on: Tue, 13 May 2003 12:39 «»
By: Wayne Parham
Re: Woofer / alignment comparison...
Super good work, and thanks for posting the response graphs.Honestly, I've found that Thiele/Small models do a great job of predicting response. Most of the audio community approves of their work, so to use it to develop these graphs and show predicted re...
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Forum: Pi Speakers «»
Posted on: Sat, 15 February 2003 10:27 «»
By: mollecon
Re: Port sizes?
Well, a ported box works as a so called Helmholtz resonator. If you picture the air in the tunnel as an air 'cork', the volume of air in the box will get compressed if you push the 'cork' inwards, & the opposite will happen if you try & pull the 'cork' out...
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Forum: Pi Speakers «»
Posted on: Fri, 16 August 2002 12:53 «»
By: Ciscokid
Re: ZMAX - Maximum impedance, impedance at resonance
Thanks Wayne, I was hoping that it would be a matter of taking the THIELE/SMALL parameters and deriving the ZMAX. I notice a lot of speaker manufactures provide those numbers, however; they don't seem to provide the ZMAX. Is there a way to tell from the TH...
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