The P58 uses the same blueprint as our original 58 but is built in a P90 style housing. Featuring close aperture coils loaded Alnico magnet and two steel bars, the 58 is voiced similar to a P-90. the P58 is a powerful guitar pickup with exceptional tone and versatility. Although often used in the neck position, make no mistake, the EMG P58 sounds great in the bridge position thanks to its exceptional smoothness and soul. If you want a bigger sound than your current P90, this is a great pickup