13DR7 Sylvania branded GE NOS (1 pair)
By Tube World
$ 0.00
Sorry, this product is sold out!
1 pair) 13DR7 Sylvania branded GE NOS
1 tube) 1.8ma Gm=1700 and 34ma Gm=6000
1 tube) 1.7ma Gm=1600 and 31ma Gm=6100
Good Ma triode #1 = 1.4ma
Good Ma triode #2 = 30-35ma
See more: vacuum tube
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