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| Pre-war Bracing? http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=4188 |
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| Author: | FrankC [ Tue Dec 20, 2005 1:28 pm ] |
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I see alot of builders toting "Martin pre-war d18 bracing". What exactly does this mean? Probably another dumb question but I am sure someone here knows the answer. |
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| Author: | RCoates [ Tue Dec 20, 2005 2:55 pm ] |
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Found on the net... Pre-war era Martins have a bracing pattern that many enthusiasts believe to be the best. In truth, Martin did two things differently. First, braces were scalloped in that era. That is, wood was selectively removed from certain areas of the braces to weaken the top enough to allow it to vibrate freely without weakening it so much as to make it structurally unsound. Scalloping opens up the mids and increases volume. Second, Martin used a forward shift of their X bracing. On most X-braced steel string guitars, the "X" crosses approximately 2" below the soundhole. On pre-war Martins, the "X" crosses about 1" below the soundhole. The result is that the bridge rests less directly atop the main X-braces and transfers more of its vibration to the top. In the 1940s, Martin moved the X bracing away from the soundhole to its current position and quit scalloping braces. According to Martin, they did this due to the preponderance of players using heavy -gauge strings to boost their volume. The light bracing pattern coupled with heavy strings resulted in a high damage rate. Because pre-war Martins are becoming so rare and expensive, Martins along with many other builders are now producing guitars with scalloped and forward-shifted bracing. All builders recommend using light-guage strings on these instruments though. |
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| Author: | Tim McKnight [ Wed Dec 21, 2005 1:12 am ] |
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. |
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| Author: | Mario [ Wed Dec 21, 2005 3:26 am ] |
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Where the hell did you dig that idea up, Tim? That's a first for me.... |
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| Author: | Tim McKnight [ Wed Dec 21, 2005 4:51 am ] |
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| Author: | Mario [ Wed Dec 21, 2005 10:06 am ] |
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You're not talking dreads here, correct? |
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| Author: | Tim McKnight [ Wed Dec 21, 2005 10:43 am ] |
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. |
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| Author: | Mario [ Wed Dec 21, 2005 11:04 am ] |
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Okay, you've officially lost me. The dread didn't go into the line until '34..., and there were preciaous few of them that year. 20's? Nope. |
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