Official Luthiers Forum!

Can I use an acoustic guitar body as a bass? Some sites show about 180 pounds stress on each. I know I'd have to mess with the neck length.

An acoustic guitar with 25.5'', 12-53 phosbronze is 160-165 lbs...
An acoustic bass 34'', 45-100 phosbronze is 190 lbs...
An acoustic guitar with 25.5'', 13-56 phos bronze is 190lbs..

Have you ever put 13-56 strings on a guitar built for 12-53?

You could do a 30 or 32'' bass, but the only strings available are 45-100 and it's really floppy on this scale. I have personnaly a short scale acoustic bass, and don't really like it.

And a guitar body is way too small to produce a nice sound.

Dimension of an acoustic are similar to a jumbo, usually. So... 16-16½ large, 20'' long, 5'' deep, and sometime it's not enough.

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Francis Richer, Montréal
Les Guitares F&M Guitars

Thanks, Francis. I'd thought of some of that, but not the looseness of the strings. That really would be trouble.