Testa Galileo Dv Mark 15The Galileo 15 is a one-channel, 15W all-tube head. Compared to the other DV Mark heads, Galileo’s controls are simple. But this is not an entry-level product! It boasts the same cutting-edge technology, build quality and premium components as the bigger heads. Not only for bedroom practicing, the Galileo 15 offers incredible sound and reliable performance for recording, rehearsals, small clubs and more. It offers surprising headroom, attack and tonal versatility for a small 15W amp!