Yam P22 help

[Ron Nossaman]

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>Ok all, put on your diagnostic caps and help me out, please.
>
>Patient: Yamaha P22 upright u164615 (1983?) Grade school music room piano
>
>Complaint:  octave from about B4-B5 goes out of tune quickly, and also has 
>a weaker, duller tone.


Hi Ron,
Check crown and bearing. It probably has little to none of either. Having a 
notch in the bridge at the strut also doesn't help matters much. Better 
with high humidity, worse with low. It's pretty classic.

Ron N

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