Seymour Duncan SHPR-1S - KIT P-RAILS BLACK
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Manufacturer Information
Seymour Duncan
https://www.seymourduncan.com
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Algam SAS
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The P-Rails Concept: The Hybrid That Expands Your Sonic Palette
The P-Rails is one of Seymour Duncan's most original creations: a "hybrid" humbucker that combines a true P-90 style coil with a more cutting rail coil, all in a unique format. The result: you can switch from a thick, rootsy tone to a sharper attack, then enjoy the power and noise-free operation of a humbucker.
Who It's For and What It's For: From Studio to Stage Without Changing Guitars
This kit is designed for guitarists who want to cover a maximum of styles with a single pickup set: rock, blues, punk, pop, funk, or heavy modern tones. In the neck position, you get expressive and dynamic sounds; in the bridge position, a solid output level and ideal presence for riffs and solos. It's also an excellent choice if you want to customize a guitar and make your tones more versatile without multiplying instruments.
Switching and Character: P-90, Rail, or Humbucker on Demand
Each pickup combines two sonic "engines": a vintage-character P-90 (lively mids, snappy attack) and a rail coil behaving like a tighter, more precise single coil. Using them separately, you alternate between organic warmth and incisive clarity; combined, you get a denser humbucker identity with a more powerful output. Thanks to the 4-conductor wiring, the P-Rails is perfectly suited for push-pull setups and dedicated selectors, notably via a 3-position mini switch for quick access to the three modes (depending on the wiring scheme chosen).
Technical specifications
| Electronics | Passive |
| Category | electric microphone |
| Instrument | guitar |
| Magnet | alnico V |
| Winding | double |
| Number of conductors | 4 |
| Position | handle, bridge |
| Resistance | 18.9 KILOHM |
| Color | Black |
| Coil | dual |
| Additional specifications | bridge pickup resistance 18.9 k ohms |
Questions frequently asked
What tonal modes do the P-Rails pickups offer?
Thanks to the 4-conductor wiring, each pickup can operate in P-90, rail, or humbucker mode according to the selected configuration. The P-90 coil provides lively mids and a snappy attack. The rail coil delivers a tighter and more precise response.
Are the P-Rails compatible with push-pull pots?
The 4-conductor wiring allows installation with a push-pull pot or a 3-position mini-switch to select the different modes.
What is the resistance of the bridge pickup?
The specified resistance for the bridge pickup is 18.9 kΩ. This value corresponds to the specification for the model intended for the bridge position.
Which styles is the black P-Rails kit suitable for?
The combination of an Alnico V magnet with the P-90, rail, or humbucker modes covers rock, blues, punk, pop, and funk genres. The bridge pickup features a solid output level for riffs and solos.
Is the kit intended for neck and bridge positions?
This reference is specified for both neck and bridge positions on electric guitars. The finish is black and the electronics are passive.



