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The origin of SM57 may be traced to 1937, when Shure engineer Ben Bauer developed the first single-element directional microphone, the Unidyne, which had a cardioid pickup pattern. In 1959, another Shure engineer, Ernie Seeler, advanced the art of microphone design significantly with the Unidyne III. Seeler torture-tested the Unidyne III during three years of research and development and thereby, produced the SM series of rugged and reliable Shure microphone capsules. The "SM" stands for Studio Microphone; Seeler was an aficionado of classical music and expected the SM57 to be used for orchestras. He "despised" rock music, but ironically, the microphone ended up being widely used during amplified concerts, and has become an industry standard for snare drums, toms, guitar amps and other components of rock groups.


What's in YOUR mic locker???

Audio-Technica ATM33R (2) Beyerdynamic MC740N Beyerdynamic M260N Electro-Voice N/D267 Electro-Voice PL6 Groove Tubes GT66 Sennhieser E602 Shure SM7-B Shure SM57 Shure SM57 Unidyne III Shure SM-58 Shure SM81 (2)

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Shure SM57 Unidyne III ebay listing - fake or legit? with pictures.

...Made me :lol: That's something the late/great Don Rickles might say, if he was an audio geek. "For sale one vintage Shure SM57 Unidyne III... Tasty lows, uncluttered mids, just a touch of transformer and a change of polar pattern from North to South". Been dropped, kicked, and spit on, goes by the nickname of "Lucky":heh: Chris

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Why is the 441 so pricey?

They’re currently made there. Same with the SM7B. I have an old USA-made Unidyne III SM57 and it’s only slightly different in sound. Like -1db at 200hz and +1db at 12kHz.

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