This circuit that makes use of a 6J6 double triode was found in a book of modern designs with tubes. The gain is around 25 and the CMRR is between 43 to 33 dB.
This circuit that makes use of a 6J6 double triode was found in a book of modern designs with tubes. The gain is around 25 and the CMRR is between 43 to 33 dB.
