(!!) (Recommended Single) 6EW7 Sylvania BIG BOTTLE black plates NOS around 1960 (7.8/50ma)
By Tube World
$ 19.99
1 tube) 6EW7 Sylvania BIG BOTTLE black plates NOS around 1960
1 section) 7.8ma Gm=2500
1 section) 50ma Gm=8500
Tested on Amplitrex AT1000
Section 1 reference = 4-6ma and Gm=1700-2100
Section 2 reference = 45-50ma and Gm=7000-8000
(6EW7 is a close substitute to the 6DE7)
also see 6FD7
- Woo Audio 6
- Woo Audio 6 SE
RCA made skinny bottle 6EW7
Sylvania made FAT BOTTLE 6EW7
See more: vacuum tube
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 (Recommended Single) 6EW7 Sylvania BIG BOTTLE black plates NOS around 1960 (7.8/50ma) "Pin It")