Audio Projects Hum Problems

Introductionso many of us, our first projects revolved around audio electronics, and majority of which was building mic preamps and amplifiers.One of our biggest problems was that dreadful hum that's present when we hit our preamps just above 12'oclock.now I'm not an audio engineer, nor do I have a ...

By: jankeifer



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from Instructables: exploring - technology http://ift.tt/1zGr86C