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Is it possible to derive Le? [message #52419] Wed, 06 August 2008 20:00 Go to next message
dB is currently offline  dB
Messages: 234
Registered: May 2009
Master
Hi Wayne. I wonder if we can derive Le (@1kHz) for a driver(?), having all the other T/S parameters for the same driver. I know there is a relation with Mms (and that there is another relation with Cms) but I am not sure if we can get it, or close. I have the measuring tools (from Kirshner/Germany) but I need a new laptop to put them to work, in the long run. I also congratulate you for the help you give, to all of us, on the diyAudio Forums.
Thanks

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Re: Is it possible to derive Le? [message #52420 is a reply to message #52419] Wed, 06 August 2008 20:18 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18792
Registered: January 2001
Illuminati (33rd Degree)

I think it might be more useful to measure it. It'll give you an excuse to get that measurement system running!

Be sure to measure at various drive levels.


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Re: Is it possible to derive Le? [message #52421 is a reply to message #52420] Thu, 07 August 2008 03:45 Go to previous messageGo to next message
dB is currently offline  dB
Messages: 234
Registered: May 2009
Master
Great, Wayne. It's a compression driver. Any special care with it's Fs?

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Re: Is it possible to derive Le? [message #52422 is a reply to message #52421] Thu, 07 August 2008 12:53 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18792
Registered: January 2001
Illuminati (33rd Degree)

Well, yes, I think I would not allow any LF signals to be generated. Start the sweep relatively high, just under the frequencies of interest.

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