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Re: 3 PI build [message #79478 is a reply to message #79465]

Mon, 17 February 2014 16:52

Wayne Parham
Messages: 18787
Registered: January 2001

Illuminati (33rd Degree)

There is a write-up about measuring T/S parameters in the link below:

T/S Measurements

Of course, now days, with some of the automated measurement devices, you can literally get these specs with just a few clicks of the mouse and a test box or some weights (like coins taped on the cone). But the process and the formula that show what's going on "under the hood" are in that post, which may prove interesting.

Here's another post with useful T/S formula:

Measurement equipment and software

And two posts that show formula for Helmholtz (bass-reflex box) resonance, and how it is manifested in the impedance curve:

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[Message index]

		3 PI build By: BFP on Thu, 16 January 2014 14:58
		Re: 3 PI build By: BFP on Thu, 16 January 2014 19:08
		Re: 3 PI build By: BFP on Sun, 19 January 2014 16:27
		Re: 3 PI build By: Bill Epstein on Sun, 19 January 2014 17:31
		Re: 3 PI build By: BFP on Mon, 20 January 2014 10:07
		Re: 3 PI build By: BFP on Tue, 21 January 2014 10:43
		Re: 3 PI build By: BFP on Wed, 22 January 2014 14:37
		Re: 3 PI build By: BFP on Wed, 22 January 2014 14:50
		Re: 3 PI build By: BFP on Thu, 23 January 2014 17:26
		Re: 3 PI build By: tom-m on Thu, 23 January 2014 19:20
		Re: 3 PI build By: BFP on Fri, 24 January 2014 05:15
		Re: 3 PI build By: BFP on Tue, 28 January 2014 17:08
		Re: 3 PI build By: petew on Tue, 28 January 2014 18:18
		Re: 3 PI build By: Matts on Tue, 28 January 2014 19:27
		Re: 3 PI build By: BFP on Tue, 28 January 2014 19:36
		Re: 3 PI build By: Bill Epstein on Tue, 28 January 2014 20:48
		Re: 3 PI build By: BFP on Thu, 30 January 2014 05:05
		Re: 3 PI build By: BFP on Fri, 31 January 2014 17:16
		Re: 3 PI build By: lucasmateo on Sun, 02 February 2014 12:21
		Re: 3 PI build By: BFP on Wed, 05 February 2014 10:01
		Re: 3 PI build By: BFP on Wed, 05 February 2014 10:18
		Re: 3 PI build By: BFP on Wed, 05 February 2014 10:43
		Re: 3 PI build By: BFP on Wed, 05 February 2014 11:10
		Re: 3 PI build By: HPower on Thu, 06 February 2014 10:59
		Re: 3 PI build By: BFP on Fri, 07 February 2014 05:28
		Re: 3 PI build By: HPower on Fri, 07 February 2014 07:49
		Re: 3 PI build By: BFP on Fri, 07 February 2014 08:17
		Re: 3 PI build By: BFP on Wed, 12 February 2014 05:21
		Re: 3 PI build By: BFP on Sun, 16 February 2014 15:03
		Re: 3 PI build By: Wayne Parham on Mon, 17 February 2014 16:52
		Re: 3 PI build By: BFP on Tue, 18 February 2014 10:22
		Re: 3 PI build By: Wayne Parham on Tue, 18 February 2014 16:08
		Re: 3 PI build By: BFP on Sun, 23 February 2014 16:08
		Re: 3 PI build By: BFP on Tue, 11 March 2014 14:35
		Re: 3 PI build By: Wayne Parham on Tue, 11 March 2014 15:08
		Re: 3 PI build By: Michaelzh on Wed, 12 March 2014 07:30
		Re: 3 PI build By: BFP on Wed, 12 March 2014 15:21
		Re: 3 PI build By: BFP on Wed, 12 March 2014 15:12
		Re: 3 PI build By: Michaelzh on Wed, 12 March 2014 19:14
		Re: 3 PI build By: Nick77 on Thu, 13 March 2014 06:33
		Re: 3 PI build By: BFP on Fri, 14 March 2014 10:25

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