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TQWP with FE166ESR
TQWP with FE166ESR
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Old 8th February 2005, 06:01 PM   #11
jeremym is offline jeremym  Canada
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Join Date: Dec 2004
Location: Toronto, ON
Originally posted by GM
FYI, it's no R-O-T, but what is required for peak efficiency at Fb and actually is spelled out in the original bass reflex patent of 1932. What has been learned in recent decades is that you don't necessarily want peak efficiency at Fb.

Thanks for the correction. Didn't mean to spread misinmormation.
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Old 8th February 2005, 09:23 PM   #12
Tachyon is offline Tachyon  Sweden
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Join Date: Feb 2005
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This mathcad is is way above my comprehension level.
The WinISD was easy enough with the Thiele/Small Parameters.
The input for mathcad doesn't make any sense to me.
If someone with experience with this software would like to help me out, I would be very greatful.
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Old 9th February 2005, 07:55 PM   #13
GM is offline GM  United States
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Location: Chamblee, Ga.
OK, what fields are you having trouble with?

Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
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Old 9th February 2005, 09:25 PM   #14
Tachyon is offline Tachyon  Sweden
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My bad, didn't read the notes, thanks anyway.
If I get stuck again I'll let you know.

"One final note, the notation used for the Thiele/Small parameters in my MathCad worksheets is a little bit different. When I first started studying speaker design theory, I decided I did not like the subscripts used in the original AES papers so I translated them into my own subscript convention. I changed the "s" subscript to a "d" subscript for all of the variables. This change exists in all of my personal notes and MathCad worksheets created over the past 20 years. At some point I will buckle under and conform to the generally accepted convention, but for right now all I can offer is the following translation. I know that this has caused some confusion for a few people and I appologize for any inconvenience."
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