Most middle era Megadeth (Rust In Peace, Countdown to Extinction, Youthanasia) is all JBs. Mustaine and Friedman were both using them in their signature Jacksons at the time.
I've got a JB SH4 in the neck & bridge possition and it's sounds great But now I'll gonna change them with the Bonamassa set But still keep one JB SH4 in the middle possition
i wonder if a sh4 is a blues pickup too or just for hairy metal 80's
because gary moore never used a sh4 in bridge too
and the sound was loud, powerful, with harmonics and sustain
so i wonder