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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Why More Power? posted by pictureguy on July 7, 2015 at 12:40:13:
Even if the speakers have the same sensitivity and same impedance at 1 meter their output at 3 or 4 meters will likely favor the larger panel as it will remain more of a line source at greater distances. I always wondered why Maggies are not MORE sensitive as you go up in size because for sure Apogees were. For example a Duetta Signature was both about 2db more sensitive than a Caliper Signature it was ALSO an eaiser load (longer ribbons meant higher impedance).
It is pretty logical because a larger driver will move more air and as long as the force/cm2 is the same then it will be more sensitive. It suggests that for some reason Maggie panels have a lower magnetic field strength per unit area than the smaller ones.
We used to be able to drive Apogee Divas to pretty loud levels with moderate sized amps that would make life hard for the Caliper signature to get the same volume at the same distance.
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- You might even need LESS power - morricab 06:04:36 07/20/15 (0)
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