A P.A.F., or simply PAF, is an early model of the humbucker guitar pickup invented by Seth Lover in 1955, so named for the "Patent Applied For" decal placed on the baseplate of each pickup. Gibson use
The P-90 is a single-coil electric guitar pickup produced by Gibson Guitar Corporation since 1946, as well as other vendors. Compared to other single coil designs, such as the Fender single coil, the
P.A.F. (pickup)
…looked to create a new guitar pickup different from existing popular single coil designs. Gibson had already developed the Charlie Christian pickup and P-90 in the 1930s and 40s; however, these designs—like competitor Fender's single-coil pickups—were fraught with inherent 60-cycle hum sound interference…