How to Do Maintenance on a SM58 Microphone

Written by aaron wardell
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How to Do Maintenance on a SM58 Microphone
The Shure SM58 (

The Shure SM58 is a high-quality, multidirectional cardioid microphone that's perfect for professional vocal recording. Keeping your SM58 maintained and in good working order is important in prolonging its life. Follow these easy steps to ensure that your microphone will perform to its optimal level and give you years of musical enjoyment.

Skill level:
Moderately Easy

Things you need

  • Mild Detergent
  • Toothbrush
  • Mouthwash
  • Deoxidation Solution
  • Soft Cloth

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  1. 1

    Clean your microphone. Under heavy use, most microphone grilles will collect an abundance of smoke, saliva, lipstick and other disease-harbouring bacteria. Unscrew the grille of the SM58 and clean it in a solution of water and mild detergent such as dish soap. Use a soft toothbrush to remove other debris. Let the grille dry completely before screwing it back on.

  2. 2

    Clean the interior foam diaphragm cover. With the grille removed, hold the microphone upside-down and use a soft toothbrush with the detergent/water solution to softly scrub the foam. Always keep the microphone upside-down to prevent any moisture from leaking into the cartridge.

  3. 3

    Disinfect your SM58 between uses. Using a diluted solution of mouthwash and water and a toothbrush, gently scrub the grill, again keeping it upside-down. This is useful if multiple people are using the mic and will help eliminate odour.

  4. 4

    Deoxidize the connector. The three-pronged XLR connector on your Shure SM58 can become oxidised with prolonged use. Use a reputable solution, such as ProGold GXL or DeOXIT to clean the connector jack. Use a soft cloth and wait for the connector to dry completely before plugging the mic back in.

  5. 5

    Store your microphone under optimal conditions. When not in use, keep your SM58 in a microphone case or bag to avoid dust or accidental damage. Avoid exposure to excessive heat and/or humidity.

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