(!!!!) (Best Value Pair) 6550C Svetlana Russian NOS 2011 (142ma and 145.4ma)
By Tube World
$ 179.99
Sorry, this product is sold out!
1 pair) 6550C Svetlana Russian NOS 2011
1 tube) 142.0ma Gm=10,900
1 tube) 145.4ma Gm=11,400
Good NOS mA range 130-150mA
Sweet spot is 140mA
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See more: vacuum tube
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