(!!!!) (Recommended Single) 6550C Svetlana Russian low hours/like new 1999 (149ma)
$ 74.99
6550C Svetlana Russian low hours/like new 1999
149ma
Gm=11,200
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