On stage, Slash prefers Marshall amplifiers, particularly the Marshall "Silver Jubilee" JCM2555 amp. Power-valve distortion can also be produced in a dedicated rackmount valve power amp. His tools were limited to one bass guitar, an amp, and kitchen utensils. I put on the headphones and stand one foot away from the amp. The guitars are plugged into a Kemper Profiler amp. He used the TriAmp MKII and the ZenTera together with a Yamaha DG130 Power amp. It was the first signature amp ever produced by Marshall, with production limited to 3000. Isbell plays electric mandolin through an Ampeg Gemini amp. In 2002 it was replaced by a new Pro Tube "Twin Amp" including tremolo. Anthony says it was because I tripped and fell over an amp while on drugs. A key criterion of a monitor amp is reliability. Kaukonen also uses and endorses the Fishman Loudbox amp. And this little black amp that became known as The New Black. Cole can engage in melee combat with enemies using a weapon called the Amp. IMP is then converted to either a precursor to AMP or GMP.