The four generation of the Spaceman Mercury IV Germanium Harmonic Boost has arrived, a new version of a popular pedal that was last updated in 2010. Check out the videos below. https://www.youtube.com/watch?v=NImDGFAc1ro https://www.youtube.com/watch?v=XKfrfQCQX4c The Mercury IV is a dynamic tone enhancer, created to bring out additional harmonic character from instruments and…... Click for more