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| Vintage Gibson bridge dimensions http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=48964 |
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| Author: | John Lewis [ Thu Feb 02, 2017 4:42 pm ] |
| Post subject: | Vintage Gibson bridge dimensions |
Hi- What are the finished bridge dimensions for the old style rectangular bridges on a L-00, J-35, J-45, etc. I think they are roughly 6" x 1" but what are the heights at the bass and treble sides? I want to make a Roy Smeck style 12 fret dread and need any and all info on the bridges. Thanks guys! |
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| Author: | Clinchriver [ Thu Feb 02, 2017 5:49 pm ] |
| Post subject: | Re: Vintage Gibson bridge dimensions |
John Lewis wrote: Hi- What are the finished bridge dimensions for the old style rectangular bridges on a L-00, J-35, J-45, etc. I think they are roughly 6" x 1" but what are the heights at the bass and treble sides? I want to make a Roy Smeck style 12 fret dread and need any and all info on the bridges. Thanks guys! 6" X 1" is good, If your shooting for 1/2" string height at the bridge, subtract .080/.100 saddle height, your off and running. My daughters 13 fret Nick Lucas I built her bridge height is 3/8 on the bass side 11/32 on the treble with .120" saddle showing between the D & G |
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| Author: | Ken McKay [ Mon Feb 06, 2017 11:59 pm ] |
| Post subject: | Re: Vintage Gibson bridge dimensions |
I agree but think just a bit thinner is more what they actually measure. I would suggest 7mm at the middle, between D and G string. And it tapers from 6 up to 8. A straight edge riding on the frets should be 7mm above the top between the D and G. |
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| Author: | TimAllen [ Tue Feb 07, 2017 2:28 am ] |
| Post subject: | Re: Vintage Gibson bridge dimensions |
There's a discussion of 1930s Gibson bridge sizes, with detailed photos of vintage Gibson bridges being calipered, at the UMGF. The starting question of the thread was whether a particular J35 bridge was original. (The Unofficial Martin Guitar Forum > The Vintage Corner > 1938 J35 on Ebay - Is this bridge original?) From what I could gather, the best explanation seems that the blanks started out 6 X 1 and then the length and width were reduced a bit in the process of shaping and smoothing. Over the decades, it seems that most bridges have been shaved down a bit, making it difficult to be certain about original thickness. The shape of the bridges, especially the rounding of the ends, is quite distinctive, and the photos show this really clearly. |
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