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Tuning Extrados of back plate

posted 27 Oct 2014, 10:17 by Peter Grankulla   [ updated 27 Oct 2014, 10:23 ]
Started tuning extrados of the back plate. The wood is high performance, which also wood analysis indicated (Back wood). For those who have the final edition of The Sound of Stradivari; Page 78, Table 12, first row, arch height 17 mm (5 Hz higher). To check this the shape must be right and balanced at it's center.
(Still no M0 frequency on this one, but a clear M1 at 160 Hz lower than M5)

This means I should be able to bring the weight down to 92 g, but the aim is 95 g.


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