GALLERY: Musikmesse 2012 PremierGuitar DefaultMarch 27, 2012Live from the floor at Europe''s biggest gear show."AMT debuted its 10.8 pound, JFET-driven Stonehead 50-4 head at Musikmesse. It features 50 watts, four channels, and a bypassable series-parallel effects loop." geargear-galleriesonline-onlymesse-2012new-gearwhats-newEffectsGear GalleriesNewsGearNew Gear