I betting it was because there is no mention of a passive model in the historical models lists description.
It’s a sleek and compact bass and it still gets used often!
Jack Bass1988-1993
body: Californian solid maple; through neck: Californian maple with
Indian rosewood fingerboard; 24 nickel silver frets; colours: dark natural,
black; 2 Select, designed by EMG; bass humbucker / 2 J-style pickups;
active tone control, on/off; vol/vol/tone: treble/bass; black hardware,
Steinberger; Fine-Tuning-Bridge