Del, Tuning stability - within a few cents every time I tune it. On 12 month intervals almost totally on; 18 or 30 month tuning intervals as much as 8 to 10 cents. Below is the service record from my file. "Baldwin","","Acrosonic (welded plate, French Prov match veneer","374882 (action 11-13-46) I.E. separate metal castings welded together","","to form the harp/plate", Service Record 04-01-80: +20 to 50% A-440; spaced 6 hammers; relocated one string; needs string replaced & second tuning 05-06-80: +10% A-440; R & R action; replaced string G#-72 M&R, G#-72 fm M to L; tightened screws; eased one, repinned one hammer; aligned 2 hammers; reshaped several; spaced 4 12-11-81: > A-440; replaced E-54 string 02-24-82: > A-440; R & R action to reglue one jack; spaced 3 hammers 09-29-82: -5 to 10% A-440 04-14-83: +5% A-440; glued loose corner of sound board causing buzz in D-54 09-06-85: -8% A-440; reglued jack for C#=41 09-24-86: > A-440 09-08-89: > A-440 01-15-92: +2% A-440; vacuumed top inside of piano 12-03-92: > to +1% A-440 03-22-95: +3% A-440; 1-22-97: +1% A-440; dusted top inside; aligned a couple of bass hammers 08-31-98: >A-440; leveled pitch in tenor, lower 5 to 10% in high treble dusted top inside. (NOTE - Need to advise at next tuning I need to shape hammers and lubricate action) 02-21-00: +3 to 10% in mid treble A-440 , spliced string D#-55 middle, use staple gun on bench bottom to resecure. ----- Original Message ----- From: Delwin D Fandrich <pianobuilders@olynet.com> To: <pianotech@ptg.org> Sent: Wednesday, March 29, 2000 1:28 AM Subject: Re: Acrosonic > Pat & Sy, > > Have either of you had any particular problems or experiences with these > plates that you could in any way to the welded steel plates? How about > things like tuning stability? Tone? Done any pitch raising on them? How > do they respond. > > These pianos were done before my time there and before the Baldwin United > bankruptcy. I was always curious about them but never had the opportunity > to see one. > > Thanks, > > Del
This PTG archive page provided courtesy of Moy Piano Service, LLC