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Bartolini 4 String MK1 Replacement MK4CBC Bass Pickups

Replace your thin sounding Bartolini MK1 pickups with real, US made Bartolini MK4CBC Pickups

Fuller, thicker tone than the MK1 stock pickups

Excellent low end with clarity up top

**FYI - These pickups are packaged only as single pickups by Bartolini. So, if you want to order a SET, you will need to add BOTH the neck and bridge pickups to your cart.


Classic Bass soapbars make you sound better, so you play better. They have a rich, deep voice with lots of high-end clarity and warmth. When you dig in, they are responsive and growly. When you pull back, they are clear and sweet. And they’ll take any slapping and popping you want to give them. The Classic Bass series is popular with progressive, jazz, gospel, and metal musicians where articulation is critical. Without sacrificing low-end, Classic Bass pickups are sweat-proof and won’t crackle and thud when you touch them or hit them with the strings.

If you play a wide variety of music, you know you need some pro-level pickups, but you don’t want to do a big upgrade project, Classic Bass pickups are a great choice. They are passive and will work with your current electronics in most basses.

There are different versions for neck (Bass, -B) and bridge (Treble, -T) so they balance well in your bass.

Artists: Eduardo Sitja


Coil Structure:

Dual Parallel Humbucking

Cable Type:

4-Conductor Cable with shield and bare drain

Magnetic Circuit:

2 types of precision CNC milled carbon steel, brass, and copper powered by ceramic (ferrite) magnets projected for focused aperture
Neck coil South and Bridge coil North for both positions

MK4CBC-B - Neck

  • DC Resistance: ~3.7KΩ each coil
  • Resonant Frequency: ~4.9KHz
  • Sensing Width: 2.36" [60mm] Max

 MK4CBC-T - Bridge

  • DC Resistance: ~5.1KΩ each coil
  • Resonant Frequency: ~4.5KHz
  • Sensing Width: 2.36" [60mm] Max

Bartolini MK4CBC wiring diagram


Size (Neck & Bridge): 

4.26" [108.2mm] Long
1.32" [33.5mm] Wide