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6DJ8 / ECC88 SRPP Tube Preamplifier Schematic


6DJ8 / ECC88 SRPP Tube Preamplifier Schematic

This is one of many possible variations for a Symmetrical SRPP Preamplifier based around the 6DJ8 / ECC88 family of tubes. The SRPP circuit has also been referred to as a SEPP, Totem Pole, Mu Follower, Mu amplifier and Cascoded Cathode Follower. The original name for this circuit is a Balanced Direct and Alternating Current Amplifier (Maurice Artzt, Radio Corporation of America, February 9, 1943, Patent 2310342).

6DJ8 / ECC88 SRPP Tube Preamplifier Schematic

6DJ8 / ECC88 SRPP Tube Preamplifier Schematic