Shure 55 Unidyne Vocal Microphone Vintage Multi Z | eBay
75 Years Of The Shure Unidyne 55
Amazon.com: Shure 55SH Series II Iconic Unidyne Dynamic Vocal Microphone, Cardioid Directional Polar Pattern for Live Performances, Shock-Mounted Cartridge, Classic, Vintage Mic with 5/8" to 3/8" Thread Adapter : Musical Instruments
Microfiles: Shure Model 55—The History Of A True Classic - ProSoundWeb
Scotty Moore - The Shure 55S ("Elvis Mic")
55SH Series II - Iconic Unidyne Vocal Microphone - Shure USA