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PostPosted: Mon Mar 11, 2013 8:47 pm 
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Koa
Koa

Joined: Sun Sep 16, 2007 1:27 pm
Posts: 716
Location: United States
First name: Dave
Last Name: Livermore
State: Minnesota
Focus: Build
Status: Semi-pro
I think I went too far away from the edges but it rings great and is still pretty stiff.
Rings at 260hz right now.

Thoughts?

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PostPosted: Mon Mar 11, 2013 9:00 pm 
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Joined: Fri Jan 22, 2010 9:59 pm
Posts: 3625
First name: Dennis
Last Name: Kincheloe
City: Kansas City
State: MO
Country: USA
Focus: Build
Status: Amateur
Can't say for sure, but this:
Attachment:
Bracing.jpg

sounds horrible. Plate is sitka, about .080" thick. It pulled up pretty significantly around the edges, and sounds sort of like an archtop, but less good. Bass is nice, but trebles sound hollow and lifeless. No structural issues aside from the induced curvature... it's held stable for about a year now. Just sounds bad is all. Looks like you could end up with something similar.

Didn't you say in the other thread that your plate is .110" or something cedar? There's a chance it would be stiff enough to stay reasonably flat around the perimeter, but I'd shave 'em off and re-brace.


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