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Closing the soundbox

posted 4 Mar 2016, 09:06 by Peter Grankulla
Closing the soundbox after some fixing to the f-hole edges and casein/lime glue size.

Top 68 g 346 Hz/153 Hz
Back 98,5 g 343 Hz/180 Hz
Coupling modes back/ribs 299 Hz, 356 Hz, 526 Hz. Stiff cross grain back gives higher M5 coupling than expected. I think it is ok like it is, but there is room for taking B1+ down later.