(!!!!) (Best Used Pair) 6550C Winged C by Svetlana Russian used/good 2001 faded top getters (135ma and 140ma) (Gm like new) **
$89.99
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1 pair) 6550C Winged C by Svetlana Russian used/good 2001 same date codes (0121) 1 tube) 135ma Gm=11,300 1 tube) 140ma Gm=11,000 Good NOS mA range 130-150mA Sweet spot is 140mA - ARC VS 110 and other ARC amps- Audio Research Reference 3 line-stage power supply - Rogue 90- VTL amps; MB300, 450, many others- Gibson guitar amp- McIntosh 275- Beard P100 MKII 1984- Cayin A-88T
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