This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Good reply, Tom Sivak, you've probably nailed it. But just in = case........ Ed, can the customer tell you when the ringing started? Change of = weather, some small change in decorating? I got a call back when a = customer told me one of the pedals didn't work after I tuned her piano. = I returned and found that she had placed a rather thick area rug under = the lyre (you know, to protect the wall-to-wall carpeting) so the pedal = didn't have quite enough clearance. =20 Is it a true ringing or sort of a ringing buzz? Gosh, without being = there to hear the actual sound it's sort of hard to advise. There are a = *multitude* of places to check. My favorite was when I learned that = CASTERS can take on a musical life of their own (push down on the leg or = back corner or wedge something under the caster to test). Some other = things to check in the piano are (help welcomed here) : Case hardware=20 Loose rails in the action Pedal rods=20 Action brackets might not be seated well. =20 Outside the piano is anybody's guess and always a possibility. Have the = customer play while you touch every knick-knack, picture frame, light = bulb, air duct cover, etc. Isn't hunting for ringing and buzzes FUN? It's my FAVORITE part of = working on pianos! (NOT) One time as I sat on the floor in front of a = small vertical piano, playing the offending note while putting pressure = on the bass bridge with my foot, I said to the customer, "See, if you = sit down here and play like this, there's no problem!" :-) I didn't check the archives, there might have already been a good = discussion of this type of problem. Good luck! Barbara Richmond, RPT somewhere near Peoria, IL PS I used to have a list, pages long, of things that could ring, buzz = or clunk in a piano. Sorry, I couldn't find the list, but I did have an = interesting time reading through some other stuff! :-) ----- Original Message -----=20 From: Ed Carwithen=20 To: pianotech@ptg.org=20 Sent: Wednesday, October 29, 2003 4:08 PM Subject: ringing I need some input about a piano that has a serious damping (actually a = non-damping) problem. Tones continue to ring after the key is released. = It is particularly bad on F#4 which rings at its own pitch, G#4 to a = lesser extent, and C#3, D3, and D#3 which rings at the double octave + = 5th. The piano is a Baldwin Acrosonic #386458. The owner is a piano = teacher which makes the problem a bit more acute (It's driving her out = of her mind). So far I have adjusted the pedals to be sure that they are damping = well and they seem to be. I tried muting the non-speaking parts of all = strings, and blocked off all the bass strings in their speaking lengths, = as well as the treble strings above the dampers. F#3 still singing like = a canary. I even blocked the F#3 string itself, and it goes "Bonk" when = the hammer strikes but continues singing the tone the same as before. I = moved the piano out from the wall and checked to make sure there was = nothing contacting the sound board. I tapped the strings to the bridge = to be sure that there wasn't some residual vibration being made there. = There is a bit of a false beat in the left string of F#3, but that = shouldn't cause the excess ringing. G4 not ringing, F#4 and G#4 are. =20 There are a lot of knick-knacks in the room, and I wonder about = suspecting some vibration in that area.=20 If anyone has a suggestion as to what I might try in order to = eliminate this annoying problem I would be grateful for your input. Ed Carwithen Associate PTG John Day, OR ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/e2/e7/5a/b3/attachment.htm ---------------------- multipart/alternative attachment--
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