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(!!!!) (Best Pair) 6550C Winged C by Svetlana Russian NOS and like new 2009-2011 (148ma and 146ma)
(!!!!) (Best Pair) 6550C Winged C by Svetlana Russian NOS and like new 2009-2011 (148ma and 146ma)
By Tube World
$ 149.99
1 pair) 6550C Winged C by Svetlana Russian NOS and like new 2009-2011 in white boxes same build
1 tube) 148ma Gm=11,100 (2009) NOS - branded Winged C by Svetlana 6550C - on left
1 tube) 146ma Gm=11,500 (2011) used/tests like new - faded printing - branded Winged C by Svetlana 6550C
Good NOS mA range 130-150mA
Sweet spot is 140mA
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- VTL amps; MB300, 450, many others
- Gibson guitar amp
- McIntosh 275
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See more: vacuum tube
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 (Best Pair) 6550C Winged C by Svetlana Russian NOS and like new 2009-2011 (148ma and 146ma) "Pin It")