> >I suspect that the back of the frame was not seated firmly enough >then, but it was not visible (no hammers jumping when playing staccato >chords for example) > >Thanks for any idea. > >Izaac O Z Hi Izaac, Take a long thin screw driver and reach down between the strings and tap the handle of the driver as you rest it on the back frame. it will soon tell you if it is bedded or not. Regards Roger
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