The Ampeg V-4B 100W All-Tube Bass Head is a remarkable reissue of the legendary 1971 original, delivering the pure tube tone and unmistakable grind that earned the classic a place in bass history. And with a careful selection of modern features, the V-4B provides Ampeg all-tube tone in a portable design perfect for today s players. AN ALL-TUBE LEGEND Vintage tone, rocker switches and chassis suspension system THE BEAUTY OF 100 TUBE WATTS Pure Ampeg tube tone at half the weight of an SVT head THE RIGHT CHOICE OF MODERN FEATURES Integrated DI, multiple speaker outs and more