Hi Arlie, I tuned one U1 once that had jack springs that sang when ever the piano was played. It was loud enough to hear with the case closed up. I never ran into another U1 that had that symptom. At 10:34 AM 11/20/2007 -0700, you wrote: >I tuned for a customer yesterday who complained of a sympathetic >vibration. >Arlie Rauch Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. Non calor sed umor est qui nobis incommodat mailto:pianotuna at yahoo.com http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716 or 1-888-29t-uner
This PTG archive page provided courtesy of Moy Piano Service, LLC