The plate resistor thing is really very subtle. The guitar, pickups, and power amp is by far and away a much more significant contributor to any particular era of Jerry tone. The Dale RN70 metal films are the standard. Very quiet, very clear, belltone, sparkle, 80's tone. They very well may have also been there in the late '70s as well. The earlier 70's likely had Allen Bradley carbon comps. Nice tone, but a bit noisy (hissy) in comparison, and not quite the extended 3D hi-fi belltone sparkle on top. These audiophile carbon film types that some guys have are a good compromise. Quite high fidelity, a bit warmer on the very top, quieter than Allen Bradley Carbon Comps. I also like these PRP metal film resistors too. Modern US made, much like the Dale RN70 like Jerry had but a tad sweeter, maybe more "musical" and fun sounding. I like to think Jerry would have dug these. But still, we're talking about very subtle differences that most listeners would never notice, but a player can tell these little aspects are there. I'd say nearly everyone sticks with the tried and true authentic Dale Rn70 Garcia resistors.
Brad
... and it's just like any other day that's ever been...