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Seymour Duncan SMB-4D 4-String Ceramic Magnet Pickup For Music Man vs Seymour Duncan SMB-4A 4-String Alnico Magnet Pickup For Music Man

The SMB-4D uses ceramic magnets for aggressive, upper-midrange punch with a 9.4 kHz peak, while the SMB-4A uses alnico 5 magnets for balanced low-end and midrange definition with a 9.9 kHz peak. Choose the SMB-4D if you want cutting presence and bite in dense mixes; choose the SMB-4A for a more balanced, classic Stingray tone with emphasis on low-end and mids.

No sales tax on orders shipped outside California — total cost beats national retailers that charge sales tax in nearly every state.

Seymour Duncan SMB-4D 4-String Ceramic Magnet Pickup For Music Man

$125.00
View Seymour Duncan SMB-4D 4-String Ceramic Magnet Pickup For Music Man

Seymour Duncan SMB-4A 4-String Alnico Magnet Pickup For Music Man

$125.00
View Seymour Duncan SMB-4A 4-String Alnico Magnet Pickup For Music Man

Specs side by side

Seymour Duncan SMB-4D 4-String Ceramic Magnet Pickup For Music ManSeymour Duncan SMB-4A 4-String Alnico Magnet Pickup For Music Man
Price$125.00$125.00
BrandSeymour DuncanSeymour Duncan
Pickup TypeAny PositionAny Position
ConditionNewNew

Why choose Seymour Duncan SMB-4D 4-String Ceramic Magnet Pickup For Music Man

  • Ceramic magnets deliver aggressive, cutting character with high upper-midrange presence
  • 9.4 kHz resonant peak emphasizes articulation and clarity for sitting in the mix
  • Hot output with excellent sustain cuts through dense arrangements
  • Slightly lower DC resistance (2.6 kΩ per coil) for snappier response

Why choose Seymour Duncan SMB-4A 4-String Alnico Magnet Pickup For Music Man

  • Alnico 5 magnets provide warm clarity and enhanced sustain classic to Music Man tone
  • Balanced EQ (8/8/5) emphasizes punchy low-end and strong midrange definition
  • 9.9 kHz resonant peak keeps treble articulate without harshness
  • Higher DC resistance (4.18 kΩ per coil) delivers a slightly tighter, more controlled feel
Bottom line: Pick the SMB-4D for aggressive funk and rock with maximum treble cut and presence; pick the SMB-4A if you want the balanced, low-end-focused tone that defines the Music Man Stingray sound. Both are hand-built, budget-tier options with identical construction quality and wiring flexibility.

Frequently asked questions

What's the main tonal difference between ceramic and alnico magnets in these pickups?

Ceramic magnets in the SMB-4D produce a brighter, more aggressive tone with boosted upper mids (9.4 kHz peak), ideal for cutting through dense mixes. Alnico 5 in the SMB-4A delivers a warmer, more balanced character with emphasis on low-end punch and midrange (9.9 kHz peak), closer to the original Stingray voice.

Which pickup is better for funk?

Both are listed as suitable for funk. The SMB-4D excels if you want maximum treble snap and aggressive articulation; the SMB-4A is better if you prefer punchy low-end definition and midrange control. Your playing style and amp setup will determine which feels more responsive.

Are these direct drop-in replacements for all Music Man 4-string basses?

The SMB-4A is explicitly noted as a direct drop-in replacement for 4-string Stingray basses. Both pickups include 4-conductor shielded hookup for series, parallel, and split configurations, but verify compatibility with your specific model before purchasing.

What does the DC resistance number mean for my playing feel?

Higher DC resistance (SMB-4A at 4.18 kΩ) produces a tighter, more compressed feel with slightly lower output; lower resistance (SMB-4D at 2.6 kΩ) yields a snappier, more responsive attack. Both are within the range for modern bass pickup design.

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