The perfect marriage. Spider Valve MKII amplifiers are the result of a groundbreaking collaboration between Line 6 and Reinhold Bogner. Boutique-style amp designs combine with the most advanced Line 6 amp modeling deliver muscular tube tone and unsurpassed sonic flexibility. The amp and effect modelling flows into the Bogner-designed 12AX7 preamp and 6L6 power amp, and the result is a guitar-playing experience unlike any other. Does lugging a lot of gear really build character? Spider valve MKII amplifiers are the sole solution for working guitarists. Celestion® guitar speakers provide world-renowned definition, clarity and feel.