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Seymour Duncan SH-4 JB Rails Humbucker – Black

$129.00
Out of stock

All the legendary JB punch and midrange snarl, now delivered through an Alnico VIII bar magnet rail design for dead-even string-to-string balance.

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Description

The SH-4 JB has been a bridge-position staple for decades, and the Rails version takes that same aggressive personality – strong low end, cutting top, and that signature boosted upper midrange – and runs it through a rail-style construction instead of traditional pole pieces. The payoff is an Alnico VIII bar magnet under each coil that reads every string with the same intensity, so nothing gets lost or buried no matter where you’re picking or bending.

  • Rail design built around an Alnico VIII bar magnet for even, articulate string response
  • Retains the JB’s classic top/bottom power with pushed-up upper mids
  • Excellent sustain with a clear, defined attack
  • Pairs naturally with the Jazz Rails neck pickup for a matched set
  • 500k volume pot brightens top-end detail; 250k pot smooths things toward mellower territory
  • Vacuum wax-potted for squeal-free performance under gain
  • 4-conductor lead wire wired for series, parallel, and split-coil switching options
  • Handbuilt at Seymour Duncan’s Santa Barbara, California facility
  • Available in 6-string and 7-string versions

If you love the JB’s attitude but want the note-to-note clarity of a rail magnet, especially useful for chords, sweeps, and anything played across the whole neck, this is the version built for that job. Finished in black.

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Additional information

Brand Seymour Duncan