Communitys JP6, Kemper, Mesa Mark 4 = Progressive! By ernieball.com - July 21, 2017 Share on Facebook Tweet on Twitter JP6, Kemper, Mesa Mark 4 = Progressive! Hey guys, check out my new vid, my 2004 JP6 still rocking! Kemper profiling amplifier, Mesa Boogie Mark 4 metal test Nick K profiles – YouTube read more Source: http://forums.ernieball.com Tags: amplifier, Ernie Ball, Ernie Ball Guitars RELATED ARTICLES Sting ray 5 H wiring Favorite 30th axis color NGD JRC Silhouette special or cutlass ???! Convert SSS Cutlass to HSS, doable or AVOID? Majesty Setup: Bridge Stud Screws vs. Saddles for Lowering Action Conflicting answers on the AL Orange Crush neck finish I need to ship my Cutlass, but I don't have a case. New Finishes Cycle