Satch Track Neck DP425W. Joe Satriani is continually refining and sharpening his sound. Two years in the making, the Satch Track Neck is Joes first single-coil size signature pickup. Articulate, vocal and musical, it is our most advanced Fast Track-style pickup to date.Recommended For Neck. Can be used in all positions. Tech TalkThe Satch Track Neck bridges the gap between classic humbucker and single-coil performance. It tracks pick attack and string vibration quickly and accurately like a single-coil, but the voicing is wider and stronger, like a humbucker. The highs are very warm, and clarity is created by keeping the mids and lows tight and focused. Specs. DP425W:Finish: White.Wiring: 4 Conductor. Magnet: Ceramic. Output mV: 245. DC Resistance: 7.02 Kohm. Year of Introduction: 2014. Patent: 4501185.