This interests me. Quite a few vintage pianos originally had two cloth punchings on the front rail pins. The French liked to do this, and it seems to have been the standard for Blüthner for a long period of time. Just recently a client contacted me, looking for the thin (blue) felt punchings that were used in conjunction with the cloth punchings for his Blüthner patent action grand. He maintained there was quite a difference between one thicker punching and two thinner ones, and that for the intimate tone of his piano nothing else would suffice. Perhaps this has to do with the unique regulation and feel (no aftertouch) of these pianos. However, I am getting increasing requests for the same thing for the back rail. Many pianos had a thin felt strip (1.5 - 2 mm) underneath the back rail cloth. It appears that 2 mm of felt under 5 mm of cloth is more quiet than one 7 mm strip of cloth. Can anyone corroborate this? Jurgen Goering On Feb 6, 2008, at 8:51, Richard Brekne wrote: > On that note of the punchings being too hard in some pianos... I find > that the addition of a 1 mm thick extra felt punching under the > crescendo punching is enough to quite any noise considerably without > compromising the effect of Andres punchings much at all. No doubt > there is some effect... but I still like this combination better then > soft green cloth punchings. I make my 1 mm punchings myself when I > need them out of bushing cloth. 1.1 mm is what they say the stuff is > actually. > > Cheers > RicB -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 1548 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/20080206/c23fda7e/attachment.bin
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