Vertex Steel String MKIILegendary SSS Tone from an Even Slimmer Stomp Players like SRV, Eric Johnson, and John Mayer have been singing the praises of a rare 100 watt 6L6 blues machine that achieved legendary status in the mid 1980s. And whether you're looking for a taste of Texas sweet tea or a return to gravity, the Vertex Steel String Clean Drive MkII now 33% slimmer and with an added trick up its sleeve faithfully captures that "SSS" magic (that's "Sparkle, Shaping, and