SNAMM '15 - Henretta Engineering Big Zapper Filter, Moody Blue Reverb, & Golden Years Phaser Demos Jason ShadrickJuly 14, 2015VideoSee and hear three new stompboxes from the Minnesota-based tone tweaker.whats-newphasersnamm-2015videoshenretta-engineeringgear-show-demofiltereffectsreverbgearGearEffectsVideosNAMMReviews