(!!!) (BEST OVERALL PAIR) ECC189=6ES8 Amperex Bugle Boy Holland NOS 1966-1967 (16/19ma and 18/18.2ma)
By Tube World
1 pair) ECC189=6ES8 Amperex Bugle Boy Holland NOS 1966-1967 very good printing
1 tube) 16/19ma Gm=14,500/16,000
1 tube) 18/18.2ma Gm=15,450/16,100
Tested on Amplitrex
Good Ma = 12ma
Good Gm = 11,000-12,000
- 6ES8 is similar to 6DJ8
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"