Seymour Duncan HUMBUCKER SET JB/JZ RAW NICKEL
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Manufacturer Information
Seymour Duncan
https://www.seymourduncan.com
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Algam SAS
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A Classic Born in 1974, Still at the Top of the Range
Seymour Duncan designed this humbucker combination in England in 1974, and it remains one of their favorite choices: a JB Model in the bridge position for impact, paired with the Jazz Model in the neck position for precision. Over the decades, this set has established itself as a reference for guitarists who want to cover a wide range of tones without changing guitars.
For Which Guitars and Styles?
This set is intended for guitars equipped for humbuckers and musicians seeking a true sonic palette: from blues to hard rock, country to modern metal. The JB at the bridge delivers the punch and presence needed for riffs and solos that cut through the mix, while the Jazz at the neck offers a clean attack, ideal for smooth lines, defined chords, and rounder leads without muddiness.
Sound Character and Design: Grit, Sustain, and Options
The SH-4 JB Model (bridge) is the brand's most popular humbucker, known for its warm coils and Alnico 5 magnet: expressive mids, articulated lows, and harmonically rich highs for solos that "sing." The SH-2n Jazz Model (neck) features a specific winding and an Alnico 5 magnet for clear high-end response, full but tight lows, and scooped mids that provide a very musical smoothness.
Both pickups are handmade in the Santa Barbara workshop. They incorporate a nickel-silver baseplate, a 4-conductor cable to enable multiple wiring schemes (split, parallel, etc.), and vacuum wax potting for stable performance at high volume with reduced risk of feedback.
Technical specifications
| Electronics | Passive |
| Category | electric microphone |
| Instrument | guitar |
| Magnet | alnico V |
| Winding | 2 doubles |
| Position | handle, bridge, set |
| Color | Grey |
| Colours | Raw Nickel |
| Type | humbucker pickup set (neck + bridge) |
| Configuration | SH-4 JB Model (bridge) + SH-2n Jazz Model (neck) |
| Finish | Raw Nickel |
| Baseplate | nickel-silver |
| Cable | 4-conductor (advanced wiring options) |
| Treatment | vacuum wax potting (feedback reduction) |
| Manufacture | handmade in Santa Barbara, California |
| JB voicing (bridge) | pronounced mids, solid and articulated lows, harmonious highs |
| Jazz voicing (neck) | clear highs, full and tight lows, scooped mids |
Questions frequently asked
Is the Seymour Duncan JB/JZ Raw Nickel set compatible with a guitar equipped with humbuckers?
This set is designed for guitars with two humbucker slots, featuring an SH-4 JB Model at the bridge and an SH-2n Jazz Model at the neck. Its electronics are passive.
What sound does the JB SH-4 deliver in the bridge position?
The SH-4 JB Model uses an Alnico V magnet and hot coils. It provides pronounced mids, articulate lows, and harmonically rich highs, suitable for riffs and solos.
Is the Jazz SH-2n pickup suitable for clean tones?
In the neck position, the SH-2n Jazz Model combines an Alnico V magnet with clear highs and scooped mids. The lows remain full and tight, which enhances chord definition and smooth lines.
Can the JB and Jazz humbuckers in this set be coil-split?
Advanced wiring schemes are possible thanks to the 4-conductor cables, including coil-splitting and parallel wiring configurations.
What is the finish, and how is feedback reduction achieved?
The Raw Nickel finish covers both humbuckers, whose baseplates are made of nickel-silver. A vacuum wax potting process helps reduce feedback risks at high volumes. The pickups are handmade in Santa Barbara, California.



