Quote:
Originally Posted by PJL
Can you also confirm that setting the volume control of the power amp to zero has no effect on the hiss as this shorts the EF86 grid to earth.
|
I guess you mean the pre-amp as the power amp doesn't have a control, and as far as I know the one under discussion has a separate pre-amp head unit with two valves and all the controls on its front panel. I'll go and look the circuit out a bit later.