(!) (#2 6EW7 Single Tube) 6EW7 GE Japan BIG BOTTLE NOS 1960's (5.0/37ma)

1 tube) 6EW7 GE Japan BIG BOTTLE NOS 1960's (PAIRS SOLD OUT)

1 triode section) 5.0ma  Gm=2000

1 triode section) 37ma Gm=7000 

Tested on Amplitrex AT1000

Section 1 reference = 4-6ma and Gm=1700-2100

Section 2 reference = 35-50ma and Gm=6000-8000

(6EW7 is a close substitute to the 6DE7)

- Woo Audio 6
- Woo Audio 6 SE

RCA made skinny bottle 6EW7
Sylvania made FAT BOTTLE 6EW7