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RE: first try at a 6072a/71a srrp amp...

Grid-stop resistor goes right ON the grid pin, with nothing else connected to the grid pin.

There is a good theoretical argument for dumping the Rk bypass capacitor in SRPP. You might want to try it. It equalizes current flow around the circuit. This is assuming that Rk1 = Rk2, where Rk1 is the cathode resistor on the lower tube section, and Rk2 is the resistor between the plate of the lower tube and the cathode of the upper.



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