Infinity Owners: New EMIM Diaphragms Available

Here is part of a review of my Infinity RSIIb speakers with these new EMIMs installed, by a gentleman who heard them at my house. I think it captures the sound of the new diaphragms quite well:

"OK, now for the main course, the upgraded EMIMs with the Graz diaphragms. Think electrostatic resolution and openness with much more dynamic headroom. These are not just a repair for blown drivers, but a major improvement to every aspect of the EMIM sound. The first thing I noticed was a dramatic increase in low level resolution. Playing the Pie Jesu cut from the Rutter Requiem CD you can really hear the female soloist floating perfectly behind the speakers. And when all the individual voices that make up the chorus come in the sense of air and hall size is amazing. These midranges take detail to a level I have never heard from any Infinity system. With choral music, the stock EMIMS can get strained and edgy sounding due to the dynamic limitations of the diaphragm. The new diaphragms seem to track the changes in signal from the quietest to the loudest passages much more accurately so there is no smearing of the image or change in tonal balance. There’s a sense that everything has been cleaned up. It will be interesting to get some measurements of the distortion products between the two diaphragms. I had Max throw on Endless Dream from the YES Talk CD. This cut goes from super quiet to live rock levels and then some and if you are at all worried about damaging your speakers, keep the volume down. Max got a bit nervous fearing for the health of the tweeters when the big peaks kicked in since there are no fuses in his speakers. These midranges had no problem handling the loudest peaks unlike my stock set which visually flex and audibly strain on this cut. I was quite impressed."

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The patent on the design must have expired! Infinity was really mean about not allowing the EMIM design or parts to be reproduced. Just in case (if I still owned some RSIIb)I would buy these and some replacemments.. Harman Corp may decide to try to enforce some sort of patent infringement anyway.
So buy now in case this infringement is challenged.
Just my opinion.

I don't see how the patent could not have expired by now. These speakers were made in the early 80's, and US patents only have a 20 year life maximum lifespan from time of application filing.

True, but the various ways companies use to extend patents... and the Lawyers lining up is always threatening, maybe enough to stop a small company from continuing making a part just from the threat of being entangled in legal battles. i would still be suprised if the parts are in production very long.. Just my opinion. A LOT of EMIM owners out there hve been looking for parts for years...
Like I said, buy the parts while you can!!!
When I owned Infinity with EMIM those inner diaphram plates were the main bottle neck. Once damaged, you were finished.

In any case, if the EMIMs sell well, then EMITs will follow, and after that perhaps L-EMIMs. If those sound as good as the EMIMs, those old Infinities will be giving some very expensive new speakers a run for their money!