They were all 7.25" radius (as far as I know, ALL the instruments made in the US, 'though it's possible the short-lived Archtops like the LTD and perhaps the flat-top acoustics) until they introduced the Standard and Elites in '82.
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"Without space, music is just noise piling up on itself." TRK
"Don't play your instrument, play music." Feral Feline
Lakland Owners' Club #248