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Re: TLM 103 humming Sound
Author: Uwe Sattler
Date: 01/03/2011
Your problem sounds like another grounding or RF-interference issue. Please make sure the screw securing the XLR-connector insert is tight and its head making solid contact with the housing. You may improve this contact by scraping away any potential surface contamination under the screw head. In addition I strongly recommend to make sure the microphone cable shield is not only connected to pin 1 of the XLR-connectors, but also to the ground lug (fourth terminal).
Happy New Year, and let us know if this cures your problem.
Uwe Sattler, Technical Director, Neumann|USA  
 
Reply
Lucas Lohne
01/02/2011
Uwe Sattler
01/03/2011
Lucas Lohne
01/03/2011
Eden Billy Simpson
09/02/2017