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You found it! [message #40476 is a reply to message #40475]

Sat, 01 March 2003 21:04

Wayne Parham
Messages: 18792
Registered: January 2001

Illuminati (33rd Degree)

Something else in the system probably has chassis and signal grounds connected together, perhaps via. a resistance or capacitance. Once you make another connection between chassis and signal ground, there is a possibility of difference in potential. Where there exists a difference in potential, even if slight, a ground loop results and with it comes lots of noise.

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[Message index]

		tube active xover update By: Sam P. on Sat, 01 March 2003 12:27
		Re: tube active xover update By: Wayne Parham on Sat, 01 March 2003 12:46
		do "bottle heads" use 3 wire power cords? By: Sam P. on Sat, 01 March 2003 13:21
		Ground loops By: Wayne Parham on Sat, 01 March 2003 18:40
		TEMPORARILY lifted the green wire from chassis By: Sam P. on Sat, 01 March 2003 20:08
		You found it! By: Wayne Parham on Sat, 01 March 2003 21:04
		heater-cathode hum? By: Sam P. on Sun, 02 March 2003 16:21

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