---------------------- multipart/alternative attachment On vrijdag, mei 30, 2003, at 07:56 Europe/Amsterdam, Richard Brekne=20 wrote: > The shape of the hammer does indeed have an affect on tone, tho=20 > whether that is experienced as a positive or negative is a bit more=20 > difficult a subject to deal with. Steinway specifies a more or less=20 > "V'd" egg shape.=A0 Just how much felt do you have left ? Less then 2 = mm=20 > of felt on the tops of the trebles is getting right down there. > I have come to the conclusion that symmetry and shape are of the=20 highest importance. It seems logical that the absorbing qualities of a hammer, function=20 best when the powers of attack can be absorbed equally on both sides.=20 The way these energies are absorbed are defined by the shape, that's=20 why shape is also extremely important. Every brand has its own shape=20 and I have experimented with these shapes. for instance, giving a=20 Yamaha hammer the shape of a STW hammer proves to be wrong as the STW=20 soundboard gives more color and the whole tonal structure of STW's is=20 of course completely different. As STW's have the most defined sound, we can give the hammers a more=20 pronounced shape to zero in on the soundboard qualities. Yamaha's are more neutral and can not absorb the same raw power a STW=20 can. I have heard this quite often during concerts where fabulous=20 pianists went completely 'through' the treble of the Yamaha's. The=20 concert Yamaha's just could not completely sustain that power and I=20 would compare that situation with 'floating' valves in a racing engine=20= : there comes a moment when the engine simply can't handle the hellish=20= repetitive speed of the valves. We then have to accommodate the Yamaha hammers by giving them more mass=20= at the top instead of lesser and more pronounced like the STW's. Voicing techniques too differ greatly from factory to factory but that=20= is another chapter. Euro greetings (from Amsterdam) Antares, The Netherlands see my website at : www.concertpianoservice.nl ---------------------- multipart/alternative attachment A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 1998 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/ab/51/83/f0/attachment.bin ---------------------- multipart/alternative attachment--
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