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Seymour Duncan SM-3B Seymourized Mini Humbucker 4-Conductor Bridge Pickup vs Seymour Duncan SPH90-1N Phat Cat Neck Pickup(Gold Cover)

The SM-3B is a high-output bridge pickup designed for modern rock, metal, and progressive music with punchy articulation and upper-midrange presence; the SPH90-1N is a warm, low-output neck pickup voiced for blues, jazz, and classic rock with vintage P90 character. Choose the SM-3B if you need aggressive bridge clarity for hard-hitting genres, or the SPH90-1N if you want warm, articulate neck-position tones for blues and vintage-leaning styles.

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Seymour Duncan SM-3B Seymourized Mini Humbucker 4-Conductor Bridge Pickup

$125.00
View Seymour Duncan SM-3B Seymourized Mini Humbucker 4-Conductor Bridge Pickup

Seymour Duncan SPH90-1N Phat Cat Neck Pickup(Gold Cover)

$125.00
View Seymour Duncan SPH90-1N Phat Cat Neck Pickup(Gold Cover)

Specs side by side

Seymour Duncan SM-3B Seymourized Mini Humbucker 4-Conductor Bridge PickupSeymour Duncan SPH90-1N Phat Cat Neck Pickup(Gold Cover)
Price$125.00$125.00
BrandSeymour DuncanSeymour Duncan
Pickup TypeBridgeNeck
ConditionNewNew

Why choose Seymour Duncan SM-3B Seymourized Mini Humbucker 4-Conductor Bridge Pickup

  • High output (11.6 kΩ) cuts through mix with clarity and definition
  • Voiced for modern genres: rock, metal, progressive
  • 4-conductor wiring enables coil-splitting and phase-reversal options
  • Tight note separation and controlled treble ideal for fast playing

Why choose Seymour Duncan SPH90-1N Phat Cat Neck Pickup(Gold Cover)

  • Warm, vintage-voiced single-coil P90 character in humbucker form
  • Low output (8.0 kOhm) pairs naturally with standard bridge humbuckers
  • Reverse-wind reverse-polarity eliminates phase cancellation
  • Vacuum wax potting and Alnico 2 magnets deliver smooth, articulate response
Bottom line: Buy the SM-3B if you play bridge position in rock, metal, or progressive styles and need punchy, articulate output. Buy the SPH90-1N if you want a warm neck pickup for blues, jazz, or classic rock that complements standard bridge humbuckers without phase issues.

Frequently asked questions

Can these pickups work together in the same guitar?

Yes. The SM-3B is a bridge-position pickup and the SPH90-1N is a neck-position pickup, so they are designed for different positions. The SPH90-1N's reverse-wind reverse-polarity design pairs seamlessly with standard bridge humbuckers to avoid phase cancellation.

Which pickup is better for blues and jazz?

The SPH90-1N is purpose-built for blues and jazz, delivering warm, vintage P90 tones with smooth highs and clear mids. The SM-3B is voiced for modern high-output applications and is not ideal for jazz or blues styles.

What is the key difference in output and character?

The SM-3B has high output (11.6 kΩ) with punchy, articulate modern voicing suited for metal and progressive music. The SPH90-1N has low output (8.0 kOhm) with warm, vintage single-coil character ideal for classic blues and rock.

Are these mini humbuckers or standard size?

The SM-3B is a mini humbucker designed for compact form factors. The SPH90-1N is a standard humbucker-sized cover housing a single-coil P90 soapbar design, so it installs in standard humbucker cavities without modification.

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