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Seymour Duncan 78 Model TB Black Pickup vs Seymour Duncan SH-2n Jazz Rail Matte Black Pickup
The 78 Model TB is a bridge-position Trembucker for floating tremolo systems, while the SH-2n Jazz Rail is a neck humbucker for semi-hollow and archtop guitars—they serve different positions and guitar types entirely. Choose the 78 Model TB if you have a tremolo-equipped guitar and want vintage blues/rock tone; choose the SH-2n Jazz Rail if you need a neck pickup for jazz, studio work, or semi-hollow guitars.
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Seymour Duncan SH-2n Jazz Rail Matte Black Pickup
Specs side by side
| Seymour Duncan 78 Model TB Black Pickup | Seymour Duncan SH-2n Jazz Rail Matte Black Pickup | |
|---|---|---|
| Price | $129.00 | $129.00 |
| Brand | Seymour Duncan | Seymour Duncan |
| Condition | New | New |
Why choose Seymour Duncan 78 Model TB Black Pickup
- ✓ Designed specifically for tremolo bridge spacing—guaranteed fit on floating systems
- ✓ Vintage 1978 character with warm, natural breakup ideal for blues and classic rock
- ✓ Hand-calibrated Alnico 2 magnets ensure consistent output across units
- ✓ Moderate 9k ohms output balances articulation and definition without aggression
Why choose Seymour Duncan SH-2n Jazz Rail Matte Black Pickup
- ✓ Rail pole design eliminates dead spots and ensures even string-to-string balance
- ✓ Alnico 8 magnet delivers focused punch and harmonic complexity for jazz and studio work
- ✓ 4-conductor wiring enables series, parallel, split, and phase configurations
- ✓ Lower 7.5kΩ resistance pairs well with bridge pickups and avoids impedance mudding
Frequently asked questions
Can I use the 78 Model TB on a non-tremolo guitar?
No. The 78 Model TB is a Trembucker with 52.6 mm coil spacing designed exclusively for tremolo bridge systems. Standard humbucker spacing is 49.2 mm, so it will not fit or function properly on non-floating bridges.
Are these pickups suitable for the same genres?
They overlap in blues but serve different contexts. The 78 Model TB excels in classic rock and vintage rigs via bridge position; the SH-2n Jazz Rail is voiced for jazz, studio sessions, and semi-hollow guitars via neck position. Both are not ideal for metal or extreme tunings.
What's the output difference between them?
The 78 Model TB sits at approximately 9kΩ DC resistance, while the SH-2n Jazz Rail is around 7.5kΩ. Both are moderate-output pickups, but the SH-2n's lower resistance and Alnico 8 magnet produce more focused punch, whereas the 78 Model TB's Alnico 2 emphasizes warm, natural breakup.
Which pickup offers more wiring flexibility?
The SH-2n Jazz Rail includes 4-conductor wiring for series, parallel, split, and phase switching. The 78 Model TB description does not mention 4-conductor capability, suggesting it offers standard dual-coil wiring options only.