MY NEW PIANO or KEYBOARD! - Share Your Story! Hope some professionals are watching my update and help you.ĭigital Pianos - Electronic Pianos - Synths &a. But, you had better consult someone else rather than me about how to identifiy whether or not he hammpers or shank-and-hammers have been replaced. If it is hide or look-alike-hide of chemical, we may say some techs made the replacement. If it is chemical, the hammer heads are glued in factory and no one has replaced. If you take a look at, from the bottom, the junctions between the hammer heads and the shanks, you may see some sort of glue. Please note that this is my humble guess based on humble info that BL-31s were built only between 19 according to the following japanese web page.īL-31s were built in years S48.3 - S49.8, which is Mar 1979 and Aug 1980 in your calendar.Īs for hammer replacement, No one would replace hammers of low-end pianos because labor for replacing hammer heads and voicing these new hammer heads costs a lot of money compared to the original product cost. If we try narrowing the period, I would guess 1109337 was built between 19. According to the following web page, 1109337 was built in some year(s) between 19.
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