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Old 22nd August 2019
Here for the gear

Noise can be heard from the assembled DIY U87 microphone

I purchased two “U87 clones” at “Mic And Mod”.

I assembled and tested two microphones, but there is noise in one of the microphones.

I will attach two microphone sound samples.
Is this noise an initial failure of the diaphragm?

If you are familiar, please let me know.
Thank you for your cooperation.

A Mic (No problem microphone)

B Mic(Noizy Mic)