NEW! Bartolini J44J-L/S b-axis Jazz Split Coil Alnico 4 String Bridge/Neck Pair b-axis Jazz pickups series feature a new and unique fully encapsulated Alnico V exposed pole design, and yet they are still fully shielded like all our enclosed pickups. The cable is shielded as well. b-axis Jazz bass pickups are dual-inline hum-canceling design for use in professional venues and studios. They are sweat-proof and won't make nasty noises if you touch them. b-axis pickups are super punchy and bright, but also warm. They have outstanding articulation, attack, and harmonic response. Musicians who play jazz, rock, country, gospel, and hip-hop are already finding their voice in b-axis pickups. Available in balanced bridge and neck versions. Specifications Coil Structure: Dual Inline Hum-killing Cable Type: Shielded Coaxial Hot Core Magnetic Circuit: Offset Alnico V pole magnets with controlled charge and copper, and aluminum field shaping. Neck bass coil North, Neck treble coil South, Bridge bass coil South, and Bridge treble coil North b-axis J44J-S - Neck DC Resistance: ~9.4KΩ Resonant Frequency: ~4.9KHz Sensing Width: 2.1" [53.2mm] E Center to G Center b-axis J44J-L - Bridge DC Resistance: ~10.2KΩ Resonant Frequency: ~4.9KHz Sensing Width: 2.22" [56.5mm] E Center to G Center b-axis J44J-LN - Long Neck DC Resistance: ~9.4KΩ Resonant Frequency: ~4.9KHz Sensing Width: 2.1" [53.2mm] E Center to G Center