I used to own the first gen Sire V7. After a year of very gentle use, most of the knobs are super hard to find the center point. Never happend on any of my other basses.
Spector Rebop4
Yamaha BBNE2
EBMM StingRay Special 5H
Fender American Professional Jazz
Sire M7 Fretless
Ibanez Prestige SR5006
SBMM StingRay short scale