Why Don’t We Repair Damaged Microphones?

It’s a common question and the answer is easy: once a microphone is damaged, it’s nearly impossible to restore it to its original specifications.

Our microphones are assembled in cleanroom environments to prevent contamination by microscopic particles. Any particle or contamination trapped inside the microphone will compromise the microphone stability. When the diaphragm is punctured, particles enter the microphone body, and restoring the original cleanliness and precision would require more effort than manufacturing a new unit.

Repairing a microphone would involve:

Complete disassembly
Surface treatment of contact areas
Thorough cleaning to remove all particle residues
Reassembly and recharging (for prepolarized types)
Welding a new diaphragm

Even with all this effort, the new diaphragm and parts would alter the microphone’s sensitivity and frequency response. This means the technical specifications would no longer match the original, leading to inconsistencies in measurement data, even if the serial number remains the same.

In short, repairing a microphone is not cost-effective and compromises data integrity. That’s why replacing it with a new unit, complete with a new serial number, is the best way to ensure consistent, high-quality measurements.

Think of a high-precision microphone not as a simple piece of hardware, but as a finely-calibrated scientific instrument. Just as you wouldn't patch a surgeon's scalpel, we don’t repair these microphones. This ensures that every measurement you take is as accurate and reliable as the first.

Author

Dr Rémi Guastavino

Director of Market Development & Product Innovation

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