Rocktron brought the all-tube Valvesonic guitar preamp ($999) to Summer NAMM, with tonal capabilities of yesterday ranging from "1950s American to '60s, '70s, and '80s British to American high gain," says Bob Waller. They also debuted a solid-state, 2-channel analog preamp for metal tones called the Widowmaker ($399) and the Velocity 100 LTD rack power amp ($499).