The Shure SM57 Unidyne III is the highly sought-after, vintage predecessor to the modern Shure SM57 dynamic microphone. Originally manufactured in the United States from the mid-1960s until production shifted to Mexico in 1985, these original "Made in USA" models feature the legendary cartridge design engineered by Ernie Seeler. Recording engineers frequently prefer vintage Unidyne units because their older transformers and components deliver a warmer, smoother sound with a richer low-end response and less upper-midrange harshness compared to current production models.

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Listed17 hours ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • Unidyne III SM57 Cardioid Dynamic Microphone
Finish
  • Black
Categories
Year
  • 1970s
Made In
  • United States
Electronics
  • Passive
Microphone Type
  • Dynamic
Wired/Wireless
  • Wired
Polar Pattern
  • Cardioid

Product safety information may be available here.

Tested & Working Audio Equiptment

Douglasville, GA, United States
Joined Reverb:2023

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