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(!!!!) (Recommended Pair) 6CS7 Sylvania black plates NOS 1960's (20.0/21.5ma and 10.5/12ma)

(!!!!) (Recommended Pair) 6CS7 Sylvania black plates NOS 1960's (20.0/21.5ma and 10.5/12ma)

$ 59.99

1 matched quad) 6CS7 Sylvania black plates NOS 1960's same build 

1 tube) 20.0ma Gm=4600 and 12.0ma Gm=2300

1 tube) 21.5ma Gm=4500 and 10.5ma Gm=2100

 

 

matched on Amplitrex

Good Ma triode #1 = 20-25ma, Good Gm = 4000-5000

Good Ma triode #2 = 10-12ma Good Gm = 2000-2400

 

for:

Leben CS 600 integrated amp
Leben CS 660P power amp

See more: vacuum tube
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