Shure Brothers PE515, Unidyne B, Dynamic Mic, Vintage 70s Microphone &
Shure Brothers PE 515, Unidyne B, Dynamic Mic, Vintage 70s Microphone & original Box Pick up or Post AU Wide The Shure Model 515BG UNIDYNEB B Microphone is a low-impedance unit designed specifically for mounting on %"-27 thread arm or gooseneck. The microphone is a moving coil unit providing good reproduction of music and voice. This microphone is particularly suitable for use in language lab systems, paging applications, and base station communications. It is highly recommended for talk-back