TUNGSRAM
Strong Pair of ECC40 Valves Tubes
Foil Getters
Fully Tested on AVO VCM 163
1) Ia 9.6/8.9 - Gm 3.7/3.6
2) Ia 8.2/10.3 - Gm 3.4/3.7
Used, Supplied in White Boxes