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(!!!) (Best Overall Pair) 6ES8=ECC189 Amperex Bugle Boy Holland NOS 1966-1967 (14.8/15.4ma and 14.7/16.2ma)

(!!!) (Best Overall Pair) 6ES8=ECC189 Amperex Bugle Boy Holland NOS 1966-1967 (14.8/15.4ma and 14.7/16.2ma)

$ 49.99

1 low noise pair) 6ES8=ECC189 Amperex Bugle Boy Holland NOS 1966-1967

matched on Amplitrex

1 tube) 14.8/15.4ma Gm=13,800/14,000

1 tube) 14.7/16.2ma Gm=14,200/14,900

 

Good Ma = 12-15ma

Good Gm = 11,000-12,000

 

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"


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