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Questions about tubes and gear that glows. FAQ

OOPS I forgot something ...

Channel 1 will have inverted phase
compared with the other channels.

The only option is the common cathode.
Drawing is the closest I could find.
Basically a cathode follower
driving a grounded grid.
Volume pot from input to Pin 7
Short cathodes (No Bypass Caps !!!)
(Need AC signal there to drive 2nd stage)
1uFd cap from Pin 6 to ground
(Provides DC voltage for CF and
keeps the same operating point)
Ground Pin 3

DanL




Edits: 07/22/15 07/22/15

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