Iso lab: 1964 Fender Vibroverb John Bohlinger May 11, 2020 Video Channeling his inner SRV, John Bohlinger enlists a trio of axes to dance with the blackface combo popularized by Texas Flood. Be sure to watch more gear demos from John's personal collection. Read More Show less gear-history whats-new videos fender tremolo featured-stories tube-combo iso-lab gear special-featured-stories amps reverb cab-1x15 6l6