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(!!!!) (Best Value Used Pair) 6550C Svetlana Russian used/good 2011 faded printing (148.2ma and 144.0ma) (close Gm)
(!!!!) (Best Value Used Pair) 6550C Svetlana Russian used/good 2011 faded printing (148.2ma and 144.0ma) (close Gm)
By Tube World
$ 89.99
1 pair) 6550C Svetlana Russian used/good 2011 faded printing
1 tube) 148.2ma Gm=11,700
1 tube) 144.0ma Gm=11,800
Good NOS mA range 130-150mA
Sweet spot is 140mA
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- Rogue 90
- VTL amps; MB300, 450, many others
- Gibson guitar amp
- McIntosh 275
- Beard P100 MKII 1984
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See more: vacuum tube
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 (Best Value Used Pair) 6550C Svetlana Russian used/good 2011 faded printing (148.2ma and 144.0ma) (close Gm) "Pin It")