This circuit that makes use of a 6SF5 was obtained in a book of modern designs with tubes. The gain is +50 remembering that the input impedance is low, in the order of a few hundred ohm.
This circuit that makes use of a 6SF5 was obtained in a book of modern designs with tubes. The gain is +50 remembering that the input impedance is low, in the order of a few hundred ohm.
