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In Reply to: RE: Speakers with lowest THD posted by geezerrocket on September 05, 2016 at 03:53:43
Have you got any measurements to back that up?
The planar I have found measurements for do not look in any way promising.
Magnepan 1.7 (see link). Useless below 600Hz but would make a good if quite large mid/tweeter.
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The graphs show that a Magnepan 1.7 is not a good subwoofer at relatively high SPL, which is what everybody knows.
But the same THD of distortion at 50Hz is much less audible than that same at 1kHz, where the distortion products lie in the ear's most sensitive frequency range. (1.5-4 kHz?)
Have you actually looked at the THD over frequency curve?
They don't really excel anywhere in the audible spectrum and are seriously flawed below 600Hz.
I never had great expectations for them in the low bass but 10% at 400Hz at a relatively low 90dB is unacceptable.
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