Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default issue with electret condenser mic

I'd go with Michael's suggestion. Put a 'scope on the B+ to the mics (in all
the devices), and see if there are any disturbances. It's certainly a
reasonable place to start.


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