Yeah, I had one. But didn't have rotator cuff issues 20 years ago. Hadn't really thought of that or expected any trouble from it.
It's been mentioned by some that the narrower waist on jumbo bodies compensates for the bigger bout, but yeah you'll probably just have to try it and see,
For me, in the last 4 or 5 years, it's actually the dreadnoughts that are harder to play, I can't go for more than about an hour before I get fatigue between the shoulder blades.
That's caused me to become ever fonder of my F65ce which even though it has an almost identical width lower bout (16" vs 15-3/4' on the dread), is only 3-1/2" deep and sits lower on my leg due to narrower waist, so, no fatigue.
A JF4's a full 17" lower bout and 5" deep though, so test fitting again is a good idea.
It appears you can buy D4's on Reverb all day long for $400. The only JF-4NT on there now is $700. As much as I love jumbo's. I don't have a dreadnought and it's probably money better spent. But since I just got my OM240 an hour or so ago that's not exactly on the radar now. I was just puzzled at the price difference as I expected them to be similarly priced - at least when new.
D4's had everything possible done to lower the price:
No back binding, no high-gloss finish, no headstock overlay with pearloid insert, no optional finish colors, and not even a case, all of which were standard or available on D25's.
Over time they eventually did get all those options and even turned into their "exotic offbeat finish" test-bed for while just a couple of years into production, but that'll give you some insight as to what makes 'm D4's as opposed to D25's .
Otherwise they're the same and even used the same s/n sequence as D25's after '94. It's not possible to tell a D25 from a D4 from that period by s/n alone. You need pics or guitar in hand.
Read between
those lines.
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