SNAMM '17 - Greer Amps Moonshot Demo Shawn HammondJuly 21, 2017VideoAn AC-128 germanium diode and smartly voiced tone control bring this class-A boost to life.whats-newvideossnamm-2017gear-show-demooverdriveeffectsgreer-ampsboostgearGearEffectsVideosNAMMReviews