Dimarzio, Fast Track 2-Demo
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DiMarzio Fast Track 2 vs Seymour Duncan JB Jr. (SJBJ-1)

DiMarzio Fast Track 2
Strat single-coil
71 match
medium confidence

Seymour Duncan JB Jr. (SJBJ-1)
bridge Strat single-coil
Compared with the DiMarzio Fast Track 2, the Seymour Duncan JB Jr. (SJBJ-1) has lower output, scooped mids and tighter low end.
Specs side by side
differs marks specs where they part ways| Spec | DiMarzio Fast Track 2 | Seymour Duncan JB Jr. (SJBJ-1) |
|---|---|---|
| DC resistancediffers | 18.07k | 16.09k |
| Inductancediffers | not measured | 10.23 H (measured, 1 reading) |
| Magnet | Ceramic | Ceramic |
| Coil | Hum-cancelling | Hum-cancelling |
| Resonant peakdiffers | — | 3.6 kHz (Seymour Duncan's own test load) |
| Bass (tone chart)differsEach maker grades its own chart, so read these within a brand | 10 / 10 | 4 / 10 |
| Mids (tone chart)differsEach maker grades its own chart, so read these within a brand | 9.25 / 10 | 6 / 10 |
| Treble (tone chart)differsEach maker grades its own chart, so read these within a brand | 2 / 10 | 5 / 10 |
| Slotdiffers | Strat single-coil | bridge Strat single-coil |
| Traits | high output, dark, mid-forward, big low end, tight & aggressive, noiseless | high output, dark, tight lows, tight & aggressive, noiseless |
How close on each spec
100 means identical on that spec. The score weighs these, and counts anything we couldn't compare as a typical difference. How scoring works
Output
83
DC resistance (no inductance for one of them)
Magnet
100
both Ceramic
Coil
100
same coil type
Brightness
65
each against its maker's average
Mids
16
each against its maker's average
Bass
0
each against its maker's average
Videos
DiMarzio Fast Track 2
Dimarzio DP182 Fast Track 2 vs Fender American Standard Strat pickup
Seymour Duncan JB Jr. (SJBJ-1)
Seymour Duncan JB Jr vs Hot Rails Demo
Seymour Duncan JB Jr. Demo
What players and reviewers say
On the DiMarzio Fast Track 2
“Fast Track 2 would be another big, thick, smooth option with output to match.”
“Also, Fast Track 2 has that midrange hump of Fred, but is just a tad hotter.”
On the Seymour Duncan JB Jr. (SJBJ-1)
“The JB Jr sounds like it has great crunch on the bass, good mids but way too ice-picky treble.”
“The JB Jr sounded bright, almost glassy and the mids seemed, well nasal, if that makes any sense!”