Can someone please explain to me what this ground switch does and how to use it? The amp is a peavey 6505+ if that helps. Also the mains connector doesn't have a
Precision Measurement without Ground Offsets Using Differential Amplifier Input to A/D ADC, Ground Loop Circuit Diagram, Instrumentation Amplifier for Precision Sensor Measurement
DIY Amplifier Ground Loop Hum - Techtalk Speaker Building, Audio, Video Discussion Forum
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