Seymour Duncan APH-1B-N - ALNICO II PRO HB EASEL NICKEL
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Manufacturer Information
Seymour Duncan
https://www.seymourduncan.com
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Alnico II Pro: Seymour Duncan's Vintage Spirit at the Bridge
The Seymour Duncan Alnico II Pro is a go-to choice for guitarists seeking a vintage character humbucker, softer and more organic than a modern high-output pickup. In the APH-1b-n version (bridge, nickel finish), it emphasizes musicality and touch response: an excellent foundation to recapture "old school" vibes while maintaining clarity.
For Which Guitarists and Styles?
Intended for the bridge position, this humbucker suits musicians wanting an expressive tone without harshness: perfect for nuanced blues phrases, warm jazz lines, classic rock with natural crunch, or slide where notes remain full and singing. It responds particularly well to right-hand dynamics, guitar volume, and vintage-style overdrives.
Sound Character and Design: Warmth, Dynamics, Control
Its Alnico II magnet provides a softer attack and slight natural compression, helping achieve smooth sustain and a very pleasant "spongy" feel. With a 7.85 k resistance and a resonance peak at 6.7 kHz, the APH-1b-n aims for balance: round lows, present mids to make the guitar stand out in the mix, and soft highs that remain detailed without becoming harsh. The pickup is passive (non-active) and features 4 conductors to facilitate integration into various wiring schemes, while maintaining a design focused purely on musicality.
Technical specifications
| Electronics | Passive |
| Category | electric microphone |
| Instrument | guitar |
| Magnet | alnico II |
| Winding | double |
| Number of conductors | 4 |
| Position | bridge |
| Resistance | 8.4 KILOHM |
| Color | Grey |
| Colours | Nickel |
| Model | Seymour Duncan APH-1b-n Alnico II Pro |
| Type | Humbucker |
| Applications | Jazz, Blues, Classic Rock, Slide |
| Split | No |
| Active | No |
| Peak | 6.7 kHz |
| Finish | Nickel |
| Other | Interference shielding |
Questions frequently asked
What sound does the Alnico II Pro APH-1b-n deliver in the bridge position?
The Alnico II magnet provides a smooth attack and a slight natural compression. With a resonance peak at 6.7 kHz, the highs remain detailed without harshness, while the mids support presence in the mix. The rated resistance is 8.4 kΩ.
Is this humbucker suitable for blues and classic rock?
Its bridge design targets blues phrasing, jazz, classic rock, and slide playing. The moderate output level and vintage character promote natural crunch as well as smooth sustain.
Can this Seymour Duncan pickup be wired for coil splitting?
The pickup has 4 conductors, facilitating integration into various wiring schemes. However, the technical sheet states "Split: No", with no split coil functionality announced for this model.
What is the mounting position for the APH-1b-n?
This model is intended for the bridge position of an electric guitar equipped for humbuckers.
Is the finish of this pickup nickel?
The APH-1b-n is indicated as having a nickel finish. Its format is a passive dual-coil humbucker with claimed interference shielding.



