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46 Search Results Found |
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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: Pi Speakers «»
Posted on: Thu, 23 August 2007 14:43 «»
By: Wayne Parham
Re: Basshorn Size
… loudspeakers. It was later adapted by A.N. Thiele and Richard Small to create the now standard Thiele-Small parameters that describe loudspeaker properties.Since there is a relationship between size, efficiency and cutoff, it doesn't make sense to say …
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Forum: Tower «»
Posted on: Mon, 21 May 2012 22:32 «»
By: gofar99
Thiele and Small were right
…Everyone, My rant for the day. After many trials and tests and retrials I concluded that T & S were right. It is really difficult to get 25HZ from a 1 cubic foot box. I tried and finally gave up and settled for about 35 HZ. I guess it is back to…
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Forum: Pi Speakers «»
Posted on: Sun, 04 January 2009 18:31 «»
By: Wayne Parham
Electro-mechanical formulas ( Thiele / Small )
…
I stopped maintaining the VadCalc applet. It was written in a weird little language called CA Realizer (Computer Associates), which I also used to write tubing movement programs for the oil and gas industry. I do most of my programming in C++, but that…
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Forum: Pi Speakers «»
Posted on: Thu, 12 July 2001 18:04 «»
By: Wayne Parham
Extended bass response from small cabinets
…formula that was later refined by Thiele and Small, whose work now forms the basis of all modern loudspeaker design. Hoffman's Iron Law states that the efficiency of a woofer system is directly proportional to its cabinet volume and the cube of its …
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Forum: Pi Speakers «»
Posted on: Mon, 19 December 2011 15:02 «»
By: Wayne Parham
Re: One Cubic Foot Subs
…or efficiency) actually was a precursor to Thiele and Small's work. It's not just a seat of the pants thing, it's actually a quantifiable metric: The efficiency of a woofer system is directly proportional to its cabinet volume and the cube of its cutoff…
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Forum: Speaker «»
Posted on: Sat, 28 October 2017 10:38 «»
By: Wayne Parham
Re: Size of the speakers
…. These relationships are quantified in the Thiele and Small formulae that describe loudspeaker parameters.
Size also has an effect on directivity, meaning the projection of the sound in a particular direction. A small speaker tends to radiate …
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Forum: Speaker «»
Posted on: Fri, 28 July 2017 09:44 «»
By: Wayne Parham
Re: Will they get smaller?
…quantified in Hoffman's Iron Law and Thiele/Small analysis.
The physics of a electro-mechanico-acoustic device dictate that it can be made small only if efficiency and/or bass extension are sacrificed.
So you can make a small loudspeaker, but you …
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Forum: Speaker «»
Posted on: Fri, 16 June 2017 09:13 «»
By: Wayne Parham
Re: How much are speakers shrinking?
… bass or high efficiency. You can optimize any two, but not all three. So if the speaker is small, it must be either inefficient or bass shy, possibly both.
This rule is quantified in the Thiele/Small formulas used to design all modern loudspeakers…
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Forum: Home Theater «»
Posted on: Sun, 12 February 2017 23:53 «»
By: bcharlton
Re: An advanced replacement
Thanks for this Wayne; I had no idea there was some science behind it. I love bass in my speakers so I don't think there's any need to think of any other replacement.
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