Don Mannino may be able to give you a general answer to this question. This topic came up one of classes several years ago, and he mentioned that there were several grades of piano wire in Asian and Europe, the premium grades for the very best instruments in their region, the lowest grade for some lower cost models. And possibly a medium grade in there as well. Patrick On Friday, June 25, 2010, Michiel van Loon <mvanloon at pianoman.nl> wrote: > Hello Everyone, > I have been off this list for a long time, so I do not know of this subject has been discussed. > > My question is: > Is there a difference between Yamaha plain wire and Röslau wire? > And if so what is the difference in numbers: Inharmonicity and E modulus etc > And what are the consequences? > > -- > Vriendelijke groeten, > Michiel van Loon > Meppel > 0522 255160 > 06 55150644 > > KvK nummer 04040386 > >
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