I have a MIM Jazz Bass and a question if other PUPS would make a difference. Once again, Im looking for a Jaco '' The Chicken '' sound. Thks. 
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Not to mention that he used a fretless.![]()
Not on The Chicken. That was always fretted in most of the performances I've seen.
Not on The Chicken. That was always fretted in most of the performances I've seen.
MIM pickups are horrible. I had a 96 that sounded like ******************************* every time I picked it up.
A lot of Jaco's tone came from his Acoustic 360 amp. The W-bin cabinet combined with the Variamp midrange boost was how he used to get that tone.
I always thought that Jaco's recorded sound was mainly DI - at least on the Weather Report albums...
Amplification, effects, and strings
Jaco Pastorius used the "Variamp" EQ (equalization) controls on his two Acoustic 360 amplifiers (made by the Acoustic Control Corporation of Van Nuys, California) to boost the midrange frequencies, thus accentuating the natural growling tone of his fretless passive Fender Jazz Bass and roundwound string combination. His tone was also colored by the use of a rackmount MXR digital delay unit that fed a second Acoustic amp rig.
Quoting from an article that originally appeared in the January 2002 issue of BassPlayer .
Acoustic 360
The Acoustic 360 amp, which debuted in 1968, featured a 200-watt power amp. The separate preamp had a built-in fuzz effect, and the large cabinet housed an 18" backward-firing speaker and a folded horn. Jaco saw South Florida bassist Carlos Garcia using one on a gig with Nemo Spliff. He went to Modern Music in Fort Lauderdale and put money down on one.
In retrospect, the Acoustic was as important to the development of Jaco's tone and technique as his Jazz Basses were. "The Acoustic held up better than a Sunn or an Ampeg fliptop B-15 could. Jaco could play an open E while he did intervals up the neck, harmonics, and his muted fingerfunk style, which required punch and clarity. The timing of that amp was important, because no one would have been able to get that particular sound without it. Rumors continue to circulate regarding several of Jaco's Acoustic 360s.