Top of Guitar Split

Construction and repair of Classical Guitar and related instruments
Kali Chandi
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Top of Guitar Split

Post by Kali Chandi » Wed May 16, 2018 2:00 am

I was told recently that ALL classical guitars are built with a split top, meaning, the top is made of two halves. Although sometimes it is not visible, there is a seam down the middle. Is this true? What is the reason for this? Why not just use on piece?

vesa
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Re: Top of Guitar Split

Post by vesa » Wed May 16, 2018 5:39 am

Yes and sometimes from 3 pieces.
One piece is not used because that big alpine spruce trees are as rare as hens teeth.
Lower bout width is about 37 cm to get that wide usable plank you need to double that and add something for the heartwood, sapwood and the bark and will end somewhere about 90+ cm in trunk diameter.
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printer2
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Re: Top of Guitar Split

Post by printer2 » Wed May 16, 2018 1:18 pm

Not a classical but a steel string. I do have a stud that is light enough to build a classical out of, maybe one day. A five piece top, back also.

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segobreawill
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Re: Top of Guitar Split

Post by segobreawill » Wed May 16, 2018 1:21 pm

As far as I heard, they are all 2 pieces or more. Are there ANY one-piece solid top classical guitars out there - regardless of the wood used for the top?

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souldier
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Re: Top of Guitar Split

Post by souldier » Wed May 16, 2018 2:07 pm

I've never seen a single piece. Almost all solid guitars have book matched top. Other than the fact that you'd need a really big tree to have a one piece top, I think using 2 pieces also has something to do with the sound and stiffness distribution
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chiral3
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Re: Top of Guitar Split

Post by chiral3 » Wed May 16, 2018 3:16 pm

One piece tops exist. They are rare, but like many things in guitar it’s been done. While quartered 2-piece tops are most common today, 3 and 4 piece tops were more common a century or more ago. I don’t know the reason. I suspect that it simply is because it’s easier now to globally source and transport wood, whereas in the past people had to rely on local sources or a scarce few known suppliers that had limited geographic range. I doubt Torres had a philosophy about 3 piece tops, although our only resources that provide insight are limited (e.g., Romanillos).
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edcat7
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Re: Top of Guitar Split

Post by edcat7 » Wed May 16, 2018 8:02 pm

Kali Chandi wrote:
Wed May 16, 2018 2:00 am
I was told recently that ALL classical guitars are built with a split top, meaning, the top is made of two halves. Although sometimes it is not visible, there is a seam down the middle. Is this true? What is the reason for this? Why not just use on piece?
Actually I had no idea, but it makes sense why run out is seen in spruce tops. Why isn't run out seen in cedar tops?
Remember Anthony Weller, please help. Contact myself or Aaron Green for details.

printer2
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Re: Top of Guitar Split

Post by printer2 » Thu May 17, 2018 2:56 am

It is visible in cedar tops. Three piece, my first guitar.

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bacsidoan
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Re: Top of Guitar Split

Post by bacsidoan » Thu May 17, 2018 9:04 am

souldier wrote:
Wed May 16, 2018 2:07 pm
I've never seen a single piece. Almost all solid guitars have book matched top. Other than the fact that you'd need a really big tree to have a one piece top, I think using 2 pieces also has something to do with the sound and stiffness distribution
Here is my guitar by Michael Thames. One piece, radially sawn Lutz spruce for the top. The stiffer side with tighter grain rings is placed on the treble side.
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riemsesy
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Re: Top of Guitar Split

Post by riemsesy » Thu May 17, 2018 12:06 pm

wow! very nice
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bacsidoan
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Re: Top of Guitar Split

Post by bacsidoan » Thu May 17, 2018 12:41 pm

riemsesy wrote:
Thu May 17, 2018 12:06 pm
wow! very nice
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Sharkbait
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Re: Top of Guitar Split

Post by Sharkbait » Thu May 17, 2018 1:12 pm

bacsidoan wrote:
Thu May 17, 2018 12:41 pm
riemsesy wrote:
Thu May 17, 2018 12:06 pm
wow! very nice
Back and headstock

DSC_0047.jpg
Nice tuners. What are they?

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segobreawill
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Re: Top of Guitar Split

Post by segobreawill » Thu May 17, 2018 8:34 pm

souldier wrote:
Wed May 16, 2018 2:07 pm
I've never seen a single piece. Almost all solid guitars have book matched top. Other than the fact that you'd need a really big tree to have a one piece top, I think using 2 pieces also has something to do with the sound and stiffness distribution
Thanks Sheldon. :)

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segobreawill
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Re: Top of Guitar Split

Post by segobreawill » Thu May 17, 2018 8:50 pm

bacsidoan wrote:
Thu May 17, 2018 9:04 am
Here is my guitar by Michael Thames. One piece, radially sawn Lutz spruce for the top. The stiffer side with tighter grain rings is placed on the treble side.
Beautiful guitar and stunning tuners!

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bacsidoan
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Re: Top of Guitar Split

Post by bacsidoan » Thu May 17, 2018 11:57 pm

Sharkbait wrote:
Thu May 17, 2018 1:12 pm
bacsidoan wrote:
Thu May 17, 2018 12:41 pm
riemsesy wrote:
Thu May 17, 2018 12:06 pm
wow! very nice
Back and headstock

DSC_0047.jpg
Nice tuners. What are they?
Graf, Rococo model.

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