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Old 01-26-2007, 05:13 AM   #3
z12358
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Join Date: May 2006
Location: Northeast USA
Posts: 910
Great explanation MN.
And for cases when you have speakers of differing impedances the formulas for the total impedance is:

serial connection: r = r1 + r2 + r3 +...
parallel connection: 1/r = 1/r1 + 1/r2 + 1/r3 + ...

By combining these two formulas you can calculate the total impedance of any complex circuit of speakers (resistors).

Z.
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