Shure 36A678a
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Essential Information About the SM58/BETA58 Internal Foam
Essential Information About the SM58/BETA58 Internal Foam
- Simple Replacement to restore clean and effective internal protection for SM58 / BETA58 type microphones
- Improves Vocal Handling Comfort by helping to reduce plosives and breath noises right at the grille
- Protects the Capsule against moisture and micro-particles, useful both live and in the studio
- Discreet Internal Format: maintains the original aesthetic, black color
Manufacturer Information
Shure
https://www.shure.com
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Safety manager:
Algam SAS
Email: contact@algam.net
Address:
An Essential Maintenance Part for Stage Microphones
Over time, the internal foam of a dynamic microphone can accumulate dust, wear out, or lose elasticity. This consumable allows you to restore the internal protection of SM58 / BETA58 type microphones to ensure consistent performance and healthier hygiene, especially with intensive use (rehearsals, concerts, shared studios).
For Whom and For What Uses
This internal foam is intended for singers, sound technicians, studios, music schools, and venues that want to maintain their microphone inventory. It is ideal if you notice more "pops" on explosive consonants, a more pronounced breathiness, or simply if you are performing cleaning and refurbishment before a tour.
Technical specifications
| Category | internal foam | Material | foam |
| Type | SM58 / BETA58 | Color | Black |
Customer reviews
Based on 4 reviews
- 5 stars, 3 reviews
- 4 stars, 1 review
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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Perfect for the TASCAM DR-05 DVR
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Everything ok but a bit expensive for what it is
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Conforms to the catalog description
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simple, effective, nothing to say
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Questions frequently asked
Is the Shure 36A678a foam compatible with an SM58?
This black internal foam is designed for SM58 and BETA58 type microphones.
Is the mounting clip included with this internal foam?
The mounting clip is not included. A separate retaining part may be required if the existing one is damaged.
How to reduce plosives on a BETA58 microphone?
Placed inside the grille of the BETA58, the foam helps filter air turbulence caused by plosive consonants and breaths. It also acts as a moisture barrier. Replacement can be considered when the original foam is worn or dusty.
What material is the internal foam for SM58 made of?
The part is made of foam and has a black finish.
When should the internal foam of a stage microphone be replaced?
Replacement may be done during cleaning or refurbishment, especially if the foam has lost its elasticity or allows more breath sounds to pass through.



