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Questions about tubes and gear that glows. FAQ

RE: It's how those electrons get from point "c" to point "a"...

In a tube that has voltage at the plate and the cathode is hot and the cathode is connected to ground (usually through a resistor)......electrons from the power supply are flowing from ground to the cathode, past the control grid to the plate, across the plate resistor to the power supply and then back to ground even when there is no signal from the turntable.

When there is music signal from the turntable present at the grid, the electron flow in the tube increases and decreases according to the music signal from the turntable.

The electron flow in the tube is not the electrons from the turntable. They are electrons from the power supply that are being controlled by the electrons from the turntable.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"


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  • RE: It's how those electrons get from point "c" to point "a"... - Tre' 08:47:08 04/20/16 (0)

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