ECC88
6DJ8
Model of double triode vacuum tube
The 6DJ8 is a miniature nine-pin medium-gain dual-triode vacuum tube. It is distinguished by its very high transconductance, mostly the result of its frame grid construction. Versions of the tube are named ECC88, E88CC, 6922, E188CC, CV4108, 7308, 6N1P and 6N23P.