6ES8=ECC189 Mullard NOS yellow printing 1964 (18.4/20.6ma)
1 tube) 6ES8=ECC189 Mullard NOS yellow printing 1964
1 section) 20.6ma Gm=16,200
1 section) 18.4ma Gm=14,600
Good Ma = 12-15ma
Good Gm = 12,000
6ES8 has electrical ratings very similar to a 6DJ8=ECC88, 6ES8 have high Gm, low internal capacitances and low noise)
(6ES8 were originally designed for used as cascode VHF amplifiers)
(Vplate max=130V, Iplate max=22ma, Plate Dissipation max= 1.8watts)
(Typical Operation Class A Amp: Vplate=90V, Vgrid=-1.2V, Iplate=15ma, Gm=12500)
"Thank you, I received the Telefunken ECC189 tubes today. Well packaged, and beautiful sounding valves.
Many Thanks, John"