What is Mt ? - diyAudio
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Old 13th August 2010, 05:22 PM   #1
diyAudio Member
Join Date: May 2010
Location: Tillsonburg, Ontario
Default What is Mt ?

I guess I'm to old school; (and so are T/S) I'm not familiar with this term.
The DIY search engine, nor Google, are finding me much either.
But I know it's been talked about in here. Just not getting a hit.
So I'll post it as a question for future searches.
Could someone also suggest a way to derive it from other Parameters.

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Old 15th August 2010, 11:52 AM   #2
glennb is offline glennb  Australia
diyAudio Member
Join Date: May 2004
Location: Melbourne
Big M, so its a Mass. Little t, test. A mass that is attached to a speaker cone to help measure the TS parameters, usually plasticine or blue tack.
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Old 17th August 2010, 12:14 AM   #3
diyAudio Member
Join Date: May 2010
Location: Tillsonburg, Ontario
Thanks Glenn;

That makes a lot of sense; here is the context in which I found "Mt"

Bl =sqrt(2*pi*Fs*Mt*Re/Qes) So I thought maybe it was Mms + ? =Mtotal

This was under the topic of deriving "Bl" from other Known values.
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