> Date: Thu, 04 Sep 1997 10:22:09 -0600 > To: pianotech@ptg.org > From: "Guy, Karen, and Tor Nichols" <nicho@lascruces.com> > Subject: not quite 'factory'? > Reply-to: pianotech@ptg.org Guy, Of course that is special add-on. I believe it is called the "soundboard extensionizer"... or was that the "expression spring"..."insta-bearing device"... David ilvedson, RPT Pacifica, CA Sounds like a good way to lose power in a piano fast. Might be a good way to quiet down a piano...? Is the piano gutless? > List, > Ran across a new one last night, and thought I'd check to see if anyone > else has seen this on any Kawai grands they service. > > KG-2C #736078, purchased NEW by a local recording studio years back. > On TOP of the central belly beam, directly under the tenor bridge, about > where notes 36 thru 40 cross the bridge, is a collection of hardware that > just doesn't look like factory installation. The pile consists of a nut (or > bolt head)and washer on the beam, with a washer-type thing on top, and a > heavy coiled spring bridging the remaining gap to the bottom of the board, > where it seems to push up on the board (with a BIG flat washer), right > under the bridge. It's very secure, although when agitated, it does make a > little noise. It's hard to tell if there's a lot of lost energy due to the > board being connected to the beam in this manner, but never-the-less, I've > not seen a factory install of such a device, nor have I seen a "repair" > like this before. Any Kawai guys on the list from way back when this puppy > was made? Would you have done this? Perhaps the studio owner needs to talk > to the dealership. I didn't think that their tech was that.....inventive. > Who knows. I DON'T! > Thanks for any feedback, > Guy > Guy Nichols, RPT > nicho@lascruces.com > "Irreversibility is the mechanism that brings order from chaos" > Prigogine > > ilvey Pacifica, CA ilvey@a.crl.com
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