The Indestructible Shure SM57
The Indestructible Shure SM57 – The Shure SM57 is a ubiquitous sight in the world of music. From smoky jazz clubs to screaming rock concerts, this unassuming microphone has captured the sound of countless legendary performances. But the SM57’s legacy extends far beyond the stage. It’s also the mic of choice for presidents and public figures, a testament to its remarkable durability and sound quality.
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From Unidyne to Icon: A Legacy of Innovation
The SM57’s story starts in the 1930s with the invention of the Unidyne capsule by Shure engineer Benjamin Bauer. This innovation revolutionized microphone technology. Unlike the expensive and delicate ribbon mics of the time, the Unidyne offered a more affordable and directional alternative. Imagine a cardioid pattern – like a heart shape – where the microphone picks up sound best directly in front of it. This design provided better isolation from unwanted background noise, a key feature for live performances.
Fast forward to 1959, and another Shure engineer, Ernie Seeler, developed the even more advanced Unidyne III capsule. This improved design boasted a tighter pickup pattern and a wider frequency response. Shure engineers then put their creation through a gauntlet of tests, dropping it, blasting it with sound, and generally trying to break it. The Unidyne III capsule emerged triumphant, forming the heart of the Shure SM57, which was officially launched in 1965.
From Studio to Stage: A Workhorse is Born
The SM57’s design wasn’t just about capturing sound – it was about surviving the rigors of professional use. The rugged all-metal construction could withstand years of being tossed around in road cases and banged around on stage. A clever innovation was the inclusion of a windscreen, a fine mesh grill that helped minimize plosives (those bursts of air that can create a popping sound) and protected the capsule from errant guitar picks or drum sticks.
The “SM” in SM57 originally stood for “studio microphone,” reflecting Shure’s initial target audience. The matte black finish minimized reflections on camera, making it a favorite in television studios for capturing clear audio for interviews and broadcasts. However, word quickly spread among musicians and sound engineers about this low-cost, durable workhorse.
Rock Royalty and the Perfect Pickup
The SM57’s rise to fame wasn’t just about its build quality. Its frequency response is perfectly suited for capturing the punch and clarity of electric guitar tones. The mic emphasizes the mid-range frequencies where the “beef” of a guitar sound lives, while also rolling off some of the highs that can get harsh. Countless guitar heroes, from Jimi Hendrix’s psychedelic explorations to Slash’s searing riffs, have relied on the SM57 to deliver their signature sounds.
The SM57’s versatility extends beyond guitars. Its ability to handle high sound pressure levels makes it a popular choice for miking drums, particularly the snare drum where it captures the sharp crack of the stick attack. Vocalists have also discovered the magic of the SM57, especially those who favor a raw and edgy sound. Even brass instruments like trumpets and saxophones benefit from the SM57’s ability to isolate the source and handle loud dynamics.
From the White House to Your Local Band
Perhaps the most iconic symbol of the SM57’s versatility is its use at the White House. Since Lyndon B. Johnson, every US president has addressed the nation through an SM57. This unlikely pairing speaks volumes about the microphone’s ability to handle pressure, both political and sonic. The SM57 ensures that every presidential address is delivered with clarity and presence, even in the echo-y halls of the White House press room.
Today, the SM57 remains an industry standard. Its simple design, rugged build, and unmatched versatility have cemented its place in audio history. Whether you’re a seasoned musician recording your next album, a budding audiophile exploring microphone techniques, or the President of the United States delivering a national address, the Shure SM57 is a legend you can hold in your hand.