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In Reply to: RE: Magnepan Tympani IVA......Am I Nuts?!? posted by josh358 on April 11, 2017 at 11:38:42
"Now if only I had the time to build something from scratch -- it would be a stretched out ESL-63 -- a line source with delayed segments for ideal dispersion and power response -- or a triple ribbon -- tweeter in the center between aluminum barriers, 1" ribbons on either side."
See if you can get hold of a Stax F81 or F83.
Follow Ups:
Interesting, I see they did use a delay. Didn't Acoustat use delay as well in the Spectra? Doesn't look though like there are enough elements in the Stax, dispersion seems to be poor above about 2 kHz (in the F81, anyway). You really need about two segments per wavelength, though the ear will tolerate some spatial aliasing at high frequencies so maybe not quite that.
Dispersion in the Stax is not great. But imaging and focus are fantastic.
For once, exactly what I'd expect from the design. :-)
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