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In Reply to: RE: they gave out a lot of trade secrets ,,,,, posted by 13th Duke of Wymbourne on December 14, 2022 at 20:50:07
There is no new information in that video! I do not see it would hurt Magnepan that some of you fear. From an engineering standpoint it is simple, a perforated sheet of steel with some rubber magnets, in front of that a tensioned plastic diaphragm with a conductor adhered to it. The difficult part is to get this working in a desired way, less so the manufactoring process.
Follow Ups:
the testing is not as hard as you think - the video explains how they use the tie down buttons and also explains that the cross overs are very loose first order affairs - its inherently in the design that things can be sloppy and still work.the video gives out details on the tooling design, process order, materials , adhesives , cross over component deign, etc ,,,,,,
there is also another magnepan video that goes into the layout of the aluminum strips, it details the entire process of laying and stretching the mylar , ,,,,,etc
these 3 videos all together give out a lot of the proprietary process information for any over sea company that wanted to clone a maggie
the cross over can easily be purchased and reverse engineered
Edits: 12/15/22
Still, you need to evaluate these adjustments of several factors. What they say in the video may not be all true... I think the story behind the tiedowns is a bit more complicated. Originally they spread the resonant behaviour and the low bass drivers did not have any tiedowns at all, the resonances were set by tension alone.
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