6550 Tungsol smooth gray plate used/good 1960 era – 2 side getters – 1 top getter in white box

116ma

Gm=10,450

Good NOS Ma range 125-140ma

Good NOS Gm range 10,0000 – 10,100

Recommended for

– 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