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(!!) (Recommended Pair) 6CS7 Sylvania NOS black plates "U" getter 1950's same build (19/11.6ma and 18/11.4ma)
(!!) (Recommended Pair) 6CS7 Sylvania NOS black plates "U" getter 1950's same build (19/11.6ma and 18/11.4ma)
By Tube World
$ 59.99
1 pair) 6CS7 Sylvania NOS black plates "U" getter 1950's same build
1 tube) 19.0ma Gm=4500 and 11.6ma Gm=2300 (Sylvania)
1 tube) 18.4ma Gm=4100 and 11.4ma Gm=2400 (rebranded RCA)
Tested on Amplitrex
Good Ma triode #1 = 10-11ma, Good Gm = 2000-2200
Good Ma triode #2 = 20-25ma Good Gm = 4000-4500
for:
Leben CS 600 integrated amp
Leben CS 660P power amp
See more: vacuum tube
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 (Recommended Pair) 6CS7 Sylvania NOS black plates "U" getter 1950's same build (19/11.6ma and 18/11.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/5_84f501fa-d80b-4554-bc1f-0507594a73a4.jpg?v=1689821655){kind=link}
 (Recommended Pair) 6CS7 Sylvania NOS black plates "U" getter 1950's same build (19/11.6ma and 18/11.4ma) "Pin It")