Effects Loop Lecture - Egnater Amp Building Seminar Joe CoffeyApril 14, 2008VideoThis video snippet is from day two of Bruce Egnater's Amp Building Seminar. This video snippet is from day two of Bruce Egnater's Amp Building Seminar. gear-historyegnatergearvideosamp-diyampshow-toswhats-newDIYAmpsGearVideosReviewsDIYAmp DIY