My M-Audio Luna microphone does not pick up any sound.
The XLR cable for the microphone is fed through a PreSonus Bluetube pre amp.
The pre amp picks up tapping on the end of the XLR cable and movement when the cable itself is attached without the microphone.
When the microphone is attached it does nothing.
Any suggestions would be greatly appreciated.
Thank you.
Your mike requires a 48 volt phantom power supply which your preamp should be supplying. The most commonly overlooked problem is the cable. It must be wired for a balanced connection for phantom power to work correctly. 1=ground/shield, 2=hot(ve) and 3=cold(ve). None of these connections should be bridged to another and need to be kept separate to maintain a balanced connection. You will need to eliminate the preamp and mike cable as sources of the problem in order to determine if the mike is working correctly. You need to test this combination with a volt /ohm meter. If you don't know how to do this you should take it to the dealer you bought it from for testing or advice.
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