Seymour Duncan SPB-3 Quarter Pound Pickup For P-Bass

The SPB-3 Quarter Pound is a high-output replacement pickup engineered to deliver aggressive, punchy tone with minimal noise—transforming a standard Precision Bass into an instrument capable of cutting through dense mixes. This pickup excels in rock, metal, and other styles demanding presence, definition, and reliability without compromise.

Tone & Output Character

The high-output design paired with Alnico 5 rod magnets produces aggressive midrange and strong bottom-end response ideal for cutting through dense arrangements. Two coils wired in humbucking mode eliminate 60-cycle hum interference, allowing you to push your amp hard without unwanted noise pollution.

Installation & Compatibility

This is a direct drop-in replacement for American Standard Precision Bass models—no modifications, routing, or rewiring required. The package includes black covers, wiring schematic, and all necessary mounting hardware for straightforward installation.

Key Features

• High-output true single-coil pickup design
• Alnico 5 rod magnets with ¼" diameter pole pieces
• Two coils wired in humbucking mode to eliminate interference hum
• Forbon flatwork construction
• Vacuum wax potted for noise reduction and durability
• Black covers included
• Direct drop-in replacement for American Standard Precision Bass
• No bass guitar modifications required
• Wiring schematic and mounting hardware included
• Hand built in Santa Barbara, CA

The SPB-3 combines Seymour Duncan's Santa Barbara craftsmanship with aggressive output and hum-free performance, making it a proven upgrade for players who demand reliability and tone in equal measure.