I have noticed recently that the Baldwin 243 studio, the Boston UP-118S studio, the George Steck studio, the Steinway 45 studio, a Kawai studio (model number unkown) and the Yamaha P-22 (if I remember correctly) all have the first plain steel wire on the treble bridge starting at note D#3. There are several other sizes of pianos that have similarities in scale design. For instance the Steinway D and several other large grands have the lowest plain steel wire at note F2. Is there a reason for having these similarites in the scale design? Did these companies all copy the same design? Or is it just because for a given size of piano there is an ideal maximum string length and diameter for the lowest plain steel string? Thanks! David A. Vanderhoofven Registered Piano Technician Joplin, MO On my quest for more knowledge
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