do "bottle heads" use 3 wire power cords?


I'm thinking that may be my major trouble, having the green safety wire connected to chassis ground.
I would like to hear from a Foreplay owner about the ground details they used. How are their input jacks ground leads treated? Output jacks grounded to the same point?
I don't recall having a problem driving the adcom with a dynaco pas3, but in reality may never have actually tried the combo of tubes driving sand... Sam


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