Hi group, I'm working on a Kimball baby grand with noisy damper felts. No noise upon depressing the damper pedal or any individual key, but a "rattling" or "buzzing" noise upon release in the monochord and bichord area. Trichords are all fine. Removing the action and manually lifting the damper heads produces the same noise. It's not a ringing damper--it's very abrupt--just a metallic "clunk" upon the damper's return. I'd welcome any suggestions on how to further diagnose or cure these little beasts. Thanks, Chuck Raynor Raynor Piano Service Beaufort, SC
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