>Bill Ballard wrote: >> >> I'd been listening to a grunting sound, like a fallboard-to-front-stretcher >> or loose metal lyre brace, during the tuning of a Falcone 74, sympathetic >> to F4. In trying to chase it down, the best I could come up with was that >> it was coming from inside the action cavity (loud and clear). So I fastened >> anything inside I thought could be making noise: damper upstop rail, damper >> assy mounts, action brackets to key frame, the rails on the key frame. At >> first it seemed to go away when I pried downward on the action brackets >> from the pinblock. The key frame bedding was quite solid. I could not >> follow the sound over the strings, or under the keybed. My recent sound like this was in a S&S ex-player M, and it was much more like a hee-haw overtone, 4th above then octave below. Worked velocity dependent on F5,F#5,G5. Turned out to be the key upstop rail screws. Had me going though. Ken Jankura
This PTG archive page provided courtesy of Moy Piano Service, LLC