Thats a no brainer.....Spector!
*Runs and hides*
But even the Spector's Lifetime Love Partner, EMGs, come in various pickup variations underneath it's Soapbar shells... Ps, Js, P/J sets in 4 & 5-strings versions, "Vintage" J's, "Extended Series" Soapbar-length with parallel placed coils in both the steel loaded CS and the ceramic loaded DC, the Dual/Single Coil TWs, and the MusicMan shape in ceramic as well as the Single Coil/Dual Coil "Twin" as well...
...but seriously, Spectors are clearly a staple of Rock, Jazz, and most recording studios, sessions, and genre. But I can understand keeping this a Fender vs Fender study, or else you'd have to include MusicMan as well as most of the J-clones.
Why isn't there a third option?
This is my method of thinking, and how I've gotten the Significant Other to agree to so many
nice basses

...
"I've done this for a living, and you don't see a carpenter bring simply a hammer to a job site, do you?" I've tamed back my collection in the past several years but since I've been lucky enough to have it, my Mike Lull Modern 5 or any other decent Jazz a player could get their hands on would be my answer. I've found that you can do a great deal more, and come far closer to comping a Precision tone with one (especially a J-clone with modern active electronics) then you can with a passive Precision (with the new Fender American Series passive 4 & 5s) trying to get the reverse.
However, this would be my choice is a producer said "Now let's see how it sound with a P" when I was informed to bring my Lulls, a Spector, and perhaps Sterling. If I knew in advance a Precision would be needed, I'd be borrowing one from a friend, plugging it in, and keeping my damn fool mouth shut in front of people who prefer the "P"-tone and that I' like to continue to work with in the future...
