Planar Speaker Asylum

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RE:All of my MMG's

Posted by JBen on February 21, 2012 at 12:50:20:
I've never measured the newer models. Mine are so old that the Ice Age movies could have featured them, and surprised no one.

Their hump, as I recall without the benefit of the charts, tapers off around 90hz, maybe a lttle higher. Their peak is probably at 10db+ or more. However, this is not what one hears. A cone speaker with this kind of peak would be annoying. OTOH, the MMGs somehow even it out quite a bit at perception time. Dipole behavior, I suppose.

I'd be curious to see if aging actually increases the span and/or peak in yours. Mine were already old when I bought them. Also, the wire layout & the mid/bass panel area is not quite the same as in the more modern revision.

The newer ones added two more tweeter runs, perhaps at the expense of the space for the mid/bass. They seem to have made up for it with the wiring. One of these days Josh is finally going to disrobe his MMGs and do a proper count for us :-))