I recently encountered a 5Õ7Ó Sohmer grand piano, serial number 23872#9B, that had a peculiar middle pedal function that has left me confounded. Can anyone explain what this pedal's function is? Also, has anyone had a successful experience modernizing the action in one of these pianos? I'd be interested in more information on locating *new* replacement parts. Please copy me, directly, with your response. Thank you! Ron Torrella, RPT Assistant Piano Technician University of Michigan School of Music
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