Dr. Quack

Dr Quack 0e6dcc7a5a85

Jack Orman’s fixed version of the original EHX Doctor Q with buffer at the input to increase input impedance plus many more fixes.. Info from AMZ: The AMZ Dr. Quack is an updated and improved version of the E-H Dr. Envelope Filter pedal. Here are a few notes to help anyone building this circuit. Please refer … Read more