They changed back in the 60's when the first pianos they sent over here started developing problems related to dryness. Loose tuning pins and cracked soundboards, mostly. Mark Wisner -----Original Message----- >From: David Doremus <algiers_piano at bellsouth.net> >Sent: Oct 23, 2008 7:25 AM >To: Pianotech List <pianotech at ptg.org> >Subject: Yamaha serial numbers > >This is probably a dumb question but when did Yamaha start making >separate streams of pianos? Did they have a 'North American' piano in >the 60's and 70's? Didnt some get sold here back then from legitimate >dealers? Just trying to get this all straight in my mind. > > > >--Dave > > New Orleans > > >
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