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In Reply to: It is also inherent in the panel shape posted by morricab on May 21, 2012 at 00:34:02:
Yes, a true ribbon can keep its primary resonance below the operating range. That, and the more linear magnetic fields, are the two advantages that I know of in a midrange or tweeter ribbon.As I think Roger pointed out, the rectangular shape makes no difference to Magnepan. They had the patent on variable tension which does the same thing as the truncated pyramid shape and they had the patent on partitioning which allows you to tune the response of the panel any way you want it, something that AFAIK apogee couldn't do.
Push/pull stats are intrinsically unstable, which puts a lower limit on diaphragm tension. I'm not sure if this is an issue with the Apogees. Magnepan, however, could/can put the resonance down where Apogee does. They chose not to.
Edits: 05/21/12
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Follow Ups
- RE: It is also inherent in the panel shape - josh358 06:17:26 05/21/12 (7)
- RE: It is also inherent in the panel shape - JLindborg 09:49:42 05/21/12 (6)
- RE: It is also inherent in the panel shape - Roger Gustavsson 22:53:08 05/21/12 (5)
- RE: It is also inherent in the panel shape - JLindborg 00:24:31 05/22/12 (4)
- RE: It is also inherent in the panel shape - Roger Gustavsson 02:44:41 05/22/12 (2)
- RE: It is also inherent in the panel shape - JLindborg 03:34:54 05/22/12 (1)
- RE: It is also inherent in the panel shape - Roger Gustavsson 22:01:08 05/24/12 (0)
- RE: It is also inherent in the panel shape - morricab 02:24:52 05/22/12 (0)
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