F-412Spec
Member
I notice that some old F-312s appear deeper-body than others. When did the change occur?
Early Guild F-312 body depth - when did they change?
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Hmm! Great question.
The F-312 was based on the F-30 body shape, right? Maybe those specs carried over. According to The Bible, around 1970 the body depth of the F-30 model increased by about 6/8" (from 4-1/8 to 4-7/8). That's probably the timeframe.
The F-312 was based on the F-30 body shape, right? Maybe those specs carried over. According to The Bible, around 1970 the body depth of the F-30 model increased by about 6/8" (from 4-1/8 to 4-7/8). That's probably the timeframe.
F-412Spec
Member
My guess would be the F-40. F-30 is 15 1/4" wide - F-312 is about 15 3/4" wide.
No. The F47, per the Bible ("The Guild Guitar Book"), page 128
The books also mentions that the F312 was 5" deep and 15 7/8" wide and was discontinued in 1974. It's sibling, the F212 was updated to 15 7/8"W x 5" deep (it was originally 4 7/8" deep) in 1969 although I'm pretty sure the shape and build of the F212 was updated again in 1972 or 1973. Please correct me anyone
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Interesting, Norrissey. So, hey, I'm all washed up. 
Oh no! Not washed up at all! I think you were just thinking of the F112. That's the 12-string based on the F30. So much information I can't even keep track of it with Hans' book right in front of me!So, hey, I'm all washed up.
In terms of the original question about some F312s being deeper than others, "The Guild Guitar Book" doesn't mention so I guess the depth of that model didn't change but I know both the F212 and F312 models evolved quite bit in the '60s in terms of the fretboard and neck specs - the early models had flat, wide fingerboards.
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F-412Spec
Member
It's probably some illusion I'm seeing in pictures. The bindings sure differed. Almost like they put them on at random. I had AS-429, AS-131, AS-124, and AS-121 for a while. I think all four were different in some ways. One had a slightly longer body than the others; another looked like it had a smaller diameter sound hole.
Wow. You have a lot more experience and first-hand knowledge of F312s than me so you would know. I was just reporting what the book said. I have heard other people say that the F212/F312s evolved a lot in different ways during the '60s-especially the fretboard and the necks. @donnylang has a lot of knowledge of the F212s. I have only played the '70 F212 that I own and one other '69 F212 at a guitar store. Those two guitars were very similar.