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Old 12-22-2020, 07:39 PM
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iim7V7IM7 iim7V7IM7 is offline
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Join Date: Feb 2012
Location: An Exit Off the Turnpike in New Jersey
Posts: 4,742
Default Back Braces

Mark sent me a photo of the Red Spruce ladder braced Brazilian Rosewood back (below). Mark uses a 12’ radius dish.

Mark also told me that he thinks that the top bracing refinement is now complete. After trimming some material from all the braces a little bit and brought what he calls the “ring+ mode” (shown in a prior post) down by about 15 Hz to where he wanted it. He will evaluate the top again tomorrow with a “rested ear” in the morning and run a full set of Chladni modes. If he thinks it is as good as it can be, he will prep it for being glued to the rims.
A bunch of nice archtops, flattops, a gypsy & nylon strings…
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