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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: RE: Old Fashion Walnut 2.5R posted by Peter Gunn on October 23, 2010 at 08:46:42:
The mechanism here I think is Doppler distortion -- as the low frequency vibrations move the tweeter assembly to-and-fro, the pitch of the high frequencies is modulated up and down, producing something like program-dependent wow and flutter. As you surmised, the driver also does this to itself. The larger the surface area of the driver the lower the Doppler distortion, one of the reasons I think that planar speakers can sound so clean. But the smaller the frequency range covered the less Doppler distortion, so there should be at least a theoretical advantage in isolating the drivers.
While I know that Doppler distortion is audible on regular drivers, particularly coaxial tweeters (the vibrations can be transmitted to the tweeter through the air), I don't know how much of an audible effect it has in Maggies. Just what Andy said about his Frankenpans. Maybe Hoshi can address the problem you mention and isolate the tweeter with rubber the way Andy did, and let us know . . .
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Follow Ups
- RE: Old Fashion Walnut 2.5R - josh358 09:44:07 10/23/10 (0)
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