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Old 05-12-2009, 05:51 AM
Mike Mandelas Mike Mandelas is offline
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Join Date: 08-25-2008
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Default Thank you all friends

[quote:I think most luthiers would agree (do you?) that there are probably other things you should try first, like strings/soundpost/tailpiece/tailgut/bridge etc, that aren't so drastic as regraduation. Have you been down that path yet? quote]

Thank all of you for your input. Given my limited experience in regraduating basses i started my experiment with a thorough set up, meaning a new bridge, a soundpost change, a new Marvin wire tailpiece and some stringing options (Spirocores and Corelli 370 Forte). The situation improved up to some extent but i have the impression that the sound is a bit "choked" and rather thin. In violins, where my experience is greater, i solved it many times by regraduating the top plate, thinning it in the appropriate places.

The bass has a thickness of 6.5 mm in the edges (where IMHO it shoud be 4.5mm- 5 mm). Around the f holes it is 7 mm and gradually it increases to 8-9.5 mm. H.S. Wake's plans give in each case a graduation 1-2 mm thinner. I'll post some photos and see.
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Old 05-12-2009, 07:59 AM
Craig Regan Craig Regan is offline
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You may want to get an inspection mirror and check out the bass bar. Make sure its the right size, properly installed, and located in the correct position.

Since the bass bar distributes the vibrations across the top, this could be good place to start your investigation.
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