I am replacing a Yamaha block as we speak on a C-7 university piano. It is precisely as you describe, three thick layers of maple sandwiched with what appears to be several layers of thinly sliced beech on the top and bottom. Rob Goodale, RPT Las Vegas, NV > My understanding is that this is similar to what Yamaha is using. I have to confess that I've never seen a Yamaha pinblock as > I've never disassembled a Yamaha piano. Would anyone with more Yamaha experience care to comment?
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