Have you read this?
http://www.groupdiy.com/index.php?topic=50362.0
I have noticed a number of pcbs being offered to build tube microphones the power supplies plug into the wall outlet.
What are people doing to protect themselves?
http://www.groupdiy.com/index.php?topic=50362.0
I have noticed a number of pcbs being offered to build tube microphones the power supplies plug into the wall outlet.
What are people doing to protect themselves?