Description
Steve Harris doesn’t play bass, he assaults it—two fingers, full force, no mercy on the strings. The SPB-4 was built to keep up with that. It’s Seymour Duncan’s take on the P-bass pickup for players who dig in hard and want the amp to feel it, not just hear it.
- Alnico 5 rod magnets for a punchy, articulate low end
- Vintage-hot coil wind that pushes the midrange forward
- 13k DC resistance — hot enough to drive your preamp into that gritty, pushed-hard territory without falling apart or clipping ugly
- Tight, controlled bass and treble response that stays clear even under aggressive attack
This pickup rewards players with a strong right hand. The harder you dig, the more it opens up — dynamic, touch-sensitive, and built to respond to exactly the kind of fingerstyle beating Harris made famous.
Building the full setup: Run the SPB-4 solo in a standard Precision configuration for that raw, single-pickup growl, or pair it with an STK-J2b Hot Stack for Jazz in the neck for a quiet, hum-cancelling rig with serious output. Want the full sonic assault? Drop an SJB-3b Quarter Pound for Jazz in the bridge alongside it.
Bass pairing: An Alder body with a Maple neck gets you closest to Harris’s tone, though an Ash body or Rosewood board will still deliver plenty of bite.
Comes wired with single conductor cloth cable, ready to drop into your P-bass build or upgrade project.






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