Description
The JB Jr. squeezes twin-coil humbucker DNA into a Strat-size single-coil footprint, giving you the snarl and sustain of Seymour Duncan’s legendary JB in a form factor that drops straight into your existing pickguard routing. This version is voiced for the neck or middle position, so instead of chasing raw output it leans into clarity, chime, and articulate high-end response.
Adjustable pole pieces are the real trick here — they let the pickup’s magnetic field behave more like a full-size humbucker, so you can dial in string-to-string balance rather than settling for whatever the magnet gives you. Push it into blues territory and it stays warm and vocal; push it toward metal and it holds together with surprising harmonic complexity.
Compared to Seymour Duncan’s Hot Rails, expect a bit less brute output and noticeably more treble sparkle, which makes it a natural partner for players who want humbucker girth without losing single-coil sizzle. It ships with four-conductor hookup cable, so you’ve got full flexibility for series, parallel, or split wiring setups. Design is protected under USA Patent No. Des. 355,207.
- Single-coil-size rails humbucker, black cover
- Voiced for neck/middle position
- Adjustable pole pieces for per-string balance
- Four-conductor cable for wiring flexibility
Also offered in a bridge version, and as part of a versatile three-pickup set: SJBJ-1b JB Jr. (bridge), SDBR-1n Duckbucker (middle), and SL59-1n Little ’59 (neck).
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