(!!) (Recommended Pair) 6JG6A Sylvania branded GE tipped top NOS 1978 (87ma and 87ma)
$ 118.99
1 pair) 6JG6A Sylvania branded GE tipped top NOS 1978 (LM)
1 tube) 87ma Gm=10,550
1 tube) 87ma Gm=10,600
Tested on Amplitrex:
Vplate=150V
Vscreen=125V
Vgrid=-20V
Good Ma = 70-85ma
Good Gm = 9-10,000
See more: vacuum tube
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 (Recommended Pair) 6JG6A Sylvania branded GE tipped top NOS 1978 (87ma and 87ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_d1cc77eb-9ea5-4f2e-87d6-2195714c083c.jpg?v=1642628321){kind=link}
 (Recommended Pair) 6JG6A Sylvania branded GE tipped top NOS 1978 (87ma and 87ma) "Pin It")