Background: I have played bass since 1996, I have good instruments and amplification. My current band plays modern blues/rock and these strings are usen on a 1982 Squier JV Precision, MIJ.
This is a great string for a traditional (not old school!) Precision sound. (And I have tried many string types!)
Tension and stiffness is slightly about average, and you can play for long sets without getting sore fingers. If you dig in a bit harder, you will get that great, growly tone that sits so nice in the mix.
The sound is very good: big, fat lows with good sustain. Rich mids that fill out the mix and still can cut if you want, Top end is balanced and smooth. Not much finger noise. If you want super clean, glassy top end, this might be the wrong string.
Life time seems unsure, though. I have had average life time with some other D'addario strings before. Then it was the E string that died first, but these ones seem to last longer. The tone is still great, and it wants you to play more.
Highly recommended!