Here's an Altec 689A Dynamic Microphone from the 1960's! These cardioid dynamic's have a smooth and vintage character that make them a nice option for a variety of studio sources. These have a unique "gold mylar" diaphragm that helps give them their colored sound. These were high quality dynamic microphones that were manufactured for broadcasting and recording uses. The 689A uses a 5 pin connector -this sale includes a 5 pin to XLR connector that is wired for 250 ohms. If you're looking for a unique dynamic microphone for the studio, this is the one for you. Grab this 689A dynamic microphone from Altec!