Brimar Foreign, Made in USSR

Pair of 6SN7GT CV1988 Valves Tubes

Fully Tested on AVO VCM 163

100% Book Spec = Ia 9 - Gm 2.9

1) Ia 8.6/11.2 - Gm 2.4/2.3

2) Ia 11.7/11.7 - Gm 2.6/2.5

NOS, Supplied in Original Boxes