Here’s a Bang and Olufsen BM3 Ribbon Microphone from the 1960’s! B&O made ribbon and dynamic microphones out of Denmark. The design of the BM3 helped inspire many modern designs including the popular Royer R121. Today, these microphones make nice options for guitar amps and drums. B&O microphones are 50 ohms and need a large amount of gain for quiet sources. If you’ve been looking for a classy looking ribbons that can add warmth to louder sources, this is the microphone for you! This microphone has been serviced with a new ribbon and comes with its original connector, mount, and box. Grab this clean BM3 Ribbon Microphone from Bang and Olufsen!