EMG Labs - Shure SM57 Unidyne III and regular SM57 using the Fredman Technique on a Blackstar Amplification HT-60 with a Wilkinson Audio mic clip - sounding damn good. | Facebook
Hyperion Audio-SM57 Dual Mic - High Gain Phase Clip
Diy Fredman technique setup from junk from work truck. Woo! : r/diyaudio