Home » (!!!!) (Best Pair) 6550C Svetlana Russian NOS and used/like new 1997-1998 (157.2ma and 158ma)

(!!!!) (Best Pair) 6550C Svetlana Russian NOS and used/like new 1997-1998 (157.2ma and 158ma)

By Tube World

$ 159.99

1 pair) 6550C Svetlana Russian NOS and used/like new 1997-1998 in white boxes

1 tube) 157.2ma Gm=11,650 (NOS 1998) on left

1 tube) 158.0ma Gm=12,200 (used/tested like new 1997)

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

See more: vacuum tube