Communitys JP16 Trimpots By ernieball.com - April 17, 2026 Share on Facebook Tweet on Twitter JP16 Trimpots Why does my JP16 have bass/mid/treble trimpots? I can’t find any information online about what they actually do. read more Source: http://forums.ernieball.com Tags: Ernie Ball, Ernie Ball Guitars RELATED ARTICLES 25th Anniversary bass pickup switches have poor contact Majesty BFRs 2026 Collection! JP15 output jack nut dimensions I wish EBMM guitars didn't use a built-in preamp… I wish EBMM guitars didn't use a built-in preamp… Majesty Preamp Install Music Man Majesty 2024 SRS with Maxed Truss Rod Would an Albert Lee SSS Pair Well With My Other EB's?