This would also explain why a heavy guitar could have more piercing treble - because those delicate frequencies can't stimulate a heavy block of wood to resonate, so they are all available to the pickup to sense.
This may be just my unique experience, but my guitars that are thick sounding, chunky sounding, heavy bass, sound very thin and trebly unplugged. Likewise, my guitars that sound warm and full unplugged sound relatively anemic plugged in. It's like it either goes into the pickups, or into the air, but not both.
If LP's were cars...
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It's not (just) that they're heavy. I have heavy guitars I'm fine with (ie,my Raven West @ 11lbs). They're clunky, cumbersome, awkward & have zero ergonomics.
They do often have great tone though...
IMHO heavy solid Les Pauls do sound really good. I have a 10lb Standard, and an 8.5lb 60RI Historic. I've never gotten rid of the 10lb because it sounds very competitive to the RI. The difference is the electronics. I'm confident if I put upgraded electronics in my Standard, it would start to blow away the Historic in tone, but I just want to keep that one bone stock (it was my first LP, it's never been modified and I'm the one owner)
All that said, I have a theory that a solid heavy instrument that doesn't resonate would be potentially better for resulting sound. The reason is vibration that is lost into the body and neck is not available to the pickup to sense. With some guitars that's good - by chance, the bad/ugly frequencies get lost into the body and neck while the good sound makes it through the pickups. This would also explain why a heavy guitar could have more piercing treble - because those delicate frequencies can't stimulate a heavy block of wood to resonate, so they are all available to the pickup to sense.
This may be just my unique experience, but my guitars that are thick sounding, chunky sounding, heavy bass, sound very thin and trebly unplugged. Likewise, my guitars that sound warm and full unplugged sound relatively anemic plugged in. It's like it either goes into the pickups, or into the air, but not both.
Look into Les Paul's early experiments with The Rail (where he put a guitar string on a railroad rail with a telephone mic as a pickup), and his early "Clunker" and "Log" experiments.

I never understood the ergonomics-argument. I think a Les Paul is by far the most comfortable. The way a LP wraps around you, instead of just a cutting board with a pan handle sticking out if it (tele, strat), is so comfortable. The heel, yeah, that one is a clunker but many luthiers, myself included, have corrected that problem.
If LP's were cars...
![]()
It's not (just) that they're heavy. I have heavy guitars I'm fine with (ie,my Raven West @ 11lbs). They're clunky, cumbersome, awkward & have zero ergonomics.
They do often have great tone though...
If I was a really big guy, I would buy one of those 3/4 size guitars so I looked like a giant on stage.
If I was a really small guy, I would get the biggest guitar I could find and hide behind it on stage.
Weight is interesting to me, but because of how it makes the guitar resonate. I have a theory that the heavy ones have a stronger and more piercing treble. Which is probably just what you want if you are using vintage style pickups.

Gibson lets you take your guitar home. So there is that.
I never understood the ergonomics-argument. I think a Les Paul is by far the most comfortable. The way a LP wraps around you, instead of just a cutting board with a pan handle sticking out if it (tele, strat), is so comfortable. The heel, yeah, that one is a clunker but many luthiers, myself included, have corrected that problem.
Explorers have always fit me the best, not sure I can point to why that is. They feel and play effortlessly.