TS parameters when changing Flux Density - diyAudio
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Old 23rd December 2008, 02:52 PM   #1
f4bok is offline f4bok  France
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Default TS parameters when changing Flux Density

Hello

I have 4 Altec 421-8H baskets with 416-8B Cones
I know the TS parameters of the original 416-8B speakers with its Flux Density of 1.1 Tesla
Now, new flux density with 421-8H basket and 416-8B cone is 1.44 Tesla
Is it possible to calculate new TS parameters since we know original parameters and original and new flux density ?
Is New Bl = (1.44/1.1) * Bl(416) ?

Thanks
Bruno
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Old 23rd December 2008, 03:10 PM   #2
AndrewT is online now AndrewT  Scotland
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Hi,
I've seen tables of the parameters showing how they vary with electromagnet current.
It's not obvious to me what the relationship is with BL.

Safer to just remeasure the parameters at a few test currents.
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regards Andrew T.
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Old 23rd December 2008, 03:46 PM   #3
f4bok is offline f4bok  France
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Sorry.................wrong forum
I copy it to "loudspeakers"
Rgds
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