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Old 10th December 2019, 11:18 AM   #21
WrineX is offline WrineX  Netherlands
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Join Date: Mar 2004
Location: Den Haag
Quote:
Originally Posted by bolserst View Post
I believe the general arrangement is as you suspect. The patent application by the designer appears to mainly deal with details of construction, in particular stability of diaphragm tension while using thinner metal frame. But, I am basing that on the provided online English translation which may not be exact. Both attached...

FWIW, I heard them at RMAF last year and they were one of the few rooms I went back to multiple times to hear different types of music. Mids and highs were lovely with surprising amount of heft and definition in the bass range.
thanks,for the read material
Looks like almost a copy of the magnepan pictures in there older patents must be a patent thing to draw exactly the same. even the bended steel has been done in the first magnepans, in the 70's , and later in b&g patents to. but i guess not so much easy to make the same every time
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Old 10th December 2019, 02:34 PM   #22
RogerGustavsson is offline RogerGustavsson  Sweden
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The Winey/Magnepan and Croft/Graebener/BG patents are old now. Did/do they apply to Europe?
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Old 10th December 2019, 04:07 PM   #23
WrineX is offline WrineX  Netherlands
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Originally Posted by RogerGustavsson View Post
The Winey/Magnepan and Croft/Graebener/BG patents are old now. Did/do they apply to Europe?
not sure but they did do the exact same thing , and as far as i know nothing new here under the sun. just the same old same. not bad i mean there is only so much you can do. but i laugh at the whole technical stories companies come up with , and end up with the exact same stuff
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Old 11th December 2019, 01:39 PM   #24
lowmass is offline lowmass  United States
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very rare for there to be anything truly "new" in loudspeaker design
most patents are just a lot of construction detail, not necessarily any new discovery
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