Essentially, it's upright damper felt, the sewn type. In most cases it should be the same dimension from end to end. However, there were those that used the "tapered" type, so be very observant. K? <G> Replacing dampers on a square grand is not for the feint of heart. It's time consuming and nitpicky work. (Just like in any other type of piano.) It has to be done in the piano, for the most part. Preliminary cutting to size can speed up the process, but not much. I have encountered many squares that techs have "modernized" with wedge type damper felt. The results were dampers interferring with each other, all over the place and major ring-through, (more than what was originally designed)! Do Not EVER, try to make it dampen like a modern piano, it was not designed that way and it's pretty much impossible anyway!<G> I work on them, all the time. It's what I've been doing for almost 40 years. They are not difficult, just different...By Intent.<G> The sound is different...that is intentional. It's what gives them that certain something, imo. If you work on them, be respectful of the true aspects of them. K?<G> Regards, Joe > [Original Message] > From: Patrick C. Poulson <pcpoulson at sbcglobal.net> > To: <joegarrett at earthlink.net>; <pianotech at ptg.org> > Date: 5/17/2012 4:20:40 PM > Subject: Re: [pianotech] Guess what I have in my shop?! > > Where would I get suitable damper felt for a square grand in order to > duplicate the dampers exactly? The original felt is much thinner than > anything I see in the catalogs. > Patrick C. Poulson > Registered Piano Technician > 530-265-1983
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