Korena
Product detailSKU #1274034493522

Seymour DuncanSJM-3 Quarter-Pound Jazzmaster Pickup Black Neck

Seymour Duncan
Seymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck
1/8

Independent shopping perspective

The Korena take

A neck-position Jazzmaster replacement pickup with oversized pole pieces for higher output. For offset players who want more push and thickness up front.

Seymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck product detail
Product studySeymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck
Seymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck alternate view
Alternate view

Strong match

Who this is for

  • Offset guitars where the neck pickup sounds thin or weak
  • Players who want a fatter, louder clean neck tone
  • Pairing with a stock bridge pickup for contrast

Consider the trade-offs

When to look elsewhere

  • Players chasing quiet, glassy vintage Jazzmaster neck tone
  • Strat, Tele or humbucker routes — the shape will not fit
  • Anyone unwilling to solder or pay a tech

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Seymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck construction detail

Detail 01

Quarter-pound pole pieces

Larger magnet slugs push a wider, stronger magnetic field, so output and low end climb over a standard single-coil.

Detail 02

Neck position wind

Wound and voiced for the neck slot only. It will sound muddy and unbalanced if mounted at the bridge.

Detail 03

Jazzmaster format

Wide, flat soapbar footprint. It drops into a Jazzmaster route and nothing narrower without new routing.

Detail 04

Single-coil design

Open coil, so it hums under fluorescent lights and near monitors unless the guitar is well shielded.

Detail 05

Black cover

Cosmetic only. Matches black hardware and dark pickguards; no effect on tone or fit.

Final check

Know before you order

  1. 01Sold as one pickup — no bridge pickup, wiring harness or pickguard included
  2. 02Requires soldering to your pots and switch, plus a pickup height reset
  3. 03Higher output can unbalance volume against a stock bridge pickup
Seymour Duncan SJM-3 Quarter-Pound Jazzmaster Pickup Black Neck close-up

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Will this fit my Squier Jazzmaster?

It fits a standard Jazzmaster pickup route and pickguard opening. Measure your existing pickup's footprint and mounting screw spacing first, since some offsets ship with narrower non-standard pickups.

02Is this the bridge or neck version?

Neck. It is wound for the neck position. Buy the matching bridge model separately if you want the pair.

03Does it hum?

Yes. It is a single-coil, so it picks up 60-cycle hum from lights, screens and transformers. Shielding the control cavity helps but will not eliminate it.

04Do I need new pots?

Not required. It works with standard pots, though the extra output can make the volume taper feel steeper than the pickup it replaces.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

4 detailsOther
Category Source
detail
Tier
new
Korena Special
false
Source Id
site51274034493522