Unidyne Model 55 Microphones - Make Your Own Paper Models
The first Unidyne microphone was shipped by Shure on April 29, 1939. To mark the 75th anniversary, on April 29, 2014, Shure released paper models of the three most popular Unidyne models. Here are the PDF files for printing your own.
Commemorating the Year of the Unidyne - 2014.