Tone GuideTreble: 4.5Mid: 7.5Bass: 6.0 Specs Wiring: 4 Conductor Magnet: Alnico 5 Output mV: 300 DC Resistance: 10.75 Kohm Year of Introduction: 2009 Patent: 5,399,802 & 5,908,998Recommended ForNeck position. Can also be used in bridge positionTech TalkSince the mid 1990s, John’s neck pickup sound has been based on either the standard Air Norton™ or the custom version in his Ernie Ball® guitars. The LiquiFire™ has several significant differences. Its treble response is warmer and smoother while bass response is tighter and brighter. The total sound has a more focused voice which works equally well for highly overdriven solos and complex, clean chords.