(!!!!) (Recommended Single) 6550C Svetlana Russian low hours/like new 1999 (149ma) 6550C Svetlana Russia nos: 6550C Svetlana 1999

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