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PostPosted: Tue Jan 19, 2010 8:26 am 
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Walnut
Walnut

Joined: Thu Dec 03, 2009 12:59 pm
Posts: 23
First name: Joseph
Last Name: Noll
City: Grafton
State: WV
Zip/Postal Code: 26354
Country: USA
Focus: Build
Status: Amateur
I'm unsure what radius dish to buy for my new Martin OM top. I thought it was 25', but now I'm reading that it might be 28'. Does this make much of a difference. Can I get by with a 25'.

Thank you

Joe


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PostPosted: Tue Jan 19, 2010 8:52 am 
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Contributing Member
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Joined: Fri Mar 24, 2006 12:42 pm
Posts: 2360
Location: Windsor Ontario Canada
First name: Fred
Last Name: Tellier
City: Windsor
State: Ontario
Zip/Postal Code: N8T2C6
Country: Canada
Focus: Build
Status: Amateur
I have been using 28' and actually Martin uses even flatter tops, probably more like 40' but whatever radius you make your braces is what you need. If the braces cam from Martin you can sand them to match the dish you are using. My 1st guitar was a Martin kit and I glued the braces with the edges of the top raised to meet them with card stock shims and it came out fine though it is easier to use a radius dish and the dish is invaluable for sanding the rim before installing the top.

Fred

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http://www.fetellierguitars.com
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PostPosted: Tue Jan 19, 2010 8:56 am 
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Old Growth Brazilian
Old Growth Brazilian

Joined: Tue Dec 28, 2004 1:56 am
Posts: 10707
Location: United States
If you are building a replacement top for a Martin and making your own braces then you can use what you want. That said there will be geometry changes needed on the neck and fretboard.


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