Bartolini 5-string Bass M4 Soapbar BB

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Bartolini 5-string Bass M4 Soapbar BB

Bartolini

5-string Bass M4 Soapbar BB

4.6 Expert Rating

Product Info

Article Number: 602551
Model: 5-string Bass M4 Soapbar BB
Price: $176.00

* Prices may vary. Check retailer for current pricing and availability.

The Bartolini M4 is a solid choice for 5-string players needing a defined, articulate tone. Its hum-canceling design and focused detection area make it great for funk, rock, and modern genres where clarity is key. It's a premium-priced pickup that offers a noticeable upgrade without being overly complex.

Product Description

  • Bartolini 5-string Bass M4 Soapbar BB
  • Pickup for 5-String Electric Bass
  • Humbucker with 2 parallel coils
  • For the bridge position
  • Hum-free design
  • Magnet configuration: carbon steel
  • brass
  • copper
  • ceramic blade magnets (ferrite)
  • Focused detection area
  • Opposite polarity of the coils
  • DC resistance: 5.6 kOhm per coil
  • Resonance frequency: 4.5 kHz
  • 76 mm Maximum detection width
  • 4-Conductor cable with shielding and bare shield conductor
  • Passive
  • Dimensions (L x W x H): 101.6 x 38.1 x 24.6 mm (max. height including cable)
  • Colour: Black

*Note:* Screws and springs not included

*Note:* Due to the manufacturing process, the plastic housings of Bartolini pickups may show slight signs of processing or handling.

For some pickups, the cable ends are already pre-soldered.

These characteristics do not constitute grounds for complaint or return

PROS
  • • Carbon/ferrite magnet blend delivers a unique, balanced tonal character.
  • • Hum-free design eliminates unwanted noise, crucial for clean recordings.
  • • Focused detection area provides tight, articulate low-end response.
  • • 4-conductor wiring allows for flexible pickup blending and custom configurations.
CONS
  • • The plastic housing finish might show minor cosmetic imperfections.
  • • Passive design limits tonal shaping options compared to active pickups.
  • • Requires careful setup and adjustment to avoid proximity issues with thick strings.

Product Video

Key Features

Type Humbucker Soapbar
Magnet Carbon Steel, Brass, Copper, Ceramic Blade (Ferrite)
Output Level Medium-High (typical for Bartolini designs)
DC Resistance 5.6 kOhm per coil
Mounting Standard 4-hole bass pickup mounting pattern
Strings Suitable for roundwound and flatwound strings

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Frequently Asked Questions

The M4 generally has a slightly higher output than many traditional humbuckers, but it's still relatively controlled and musical.
Yes, as a passive pickup, the M4 will function perfectly with or without a preamp; however, a preamp can further enhance its output and tonal flexibility.
Absolutely. The M4's focused detection area means string height and pickup angle are critical for optimal performance; a careful setup is essential.

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