Yes, The engineer that rebuilds the EMIM's replaces the magnets and recalibrates the diaphragm. When finished, they meet the specs that the original design engineer and Arnie Nudell have specified for a current EMIM. It is available for all EMIM's starting with the ones in the RS 2.5 and 4.5, the RS 1, II's etc. all the way up to the IRS V, Beta, Delta, and Gamma systems. The last EMIM's designed used in the Renaissance to the Epsilon systems used a different frame design. I have owned both of these last two systems and the latter design is not an improvement.
The EMIM's with neodymium magnets are known to peel, this was a design problem allowing the iron in the alloy to expand. So many have said look for the older Samarium Cobalt magnet ones. That is like doing a total knee and putting it back like it was; why recreate the design that caused the problem. The neodymium was a marked improvement. The last version of EMIM's in this series used an alloy called nicorex. The confusion led us to work with the original engineer, including getting the original design drawings and then have Arnie Nudell check the designs and listen to them. The rebuilt EMIM's are better than the originals and what would be used if the speaker systems were designed and built today.
So that is a long winded way of answering your question with a yes.
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