(!!) (BEST PAIR) 6LU8 Sylvania branded RCA NOS 1970 era (2.3/70ma and 2.6/68ma)
By Tube World
$ 19.99
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1 pair) 6LU8 Sylvania branded RCA NOS 1970 era
1 tube) 2.3ma Gm=3500 and 70ma Gm=9400
1 tube) 2.6ma Gm=4000 and 68ma Gm=10,000
Good mA = 2.3ma+ and 50mA+
Good Gm = 3500+ and 9000+
See more: vacuum tube
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 (BEST PAIR) 6LU8 Sylvania branded RCA NOS 1970 era (2.3/70ma and 2.6/68ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_f599808d-5ca4-4557-96e5-aff8921d1101.jpg?v=1643490737){kind=link}
 (BEST PAIR) 6LU8 Sylvania branded RCA NOS 1970 era (2.3/70ma and 2.6/68ma) "Pin It")