7591A TUNG-SOL NEW QUAD CURRENT PRODUCTION.
VHSystem™ $80
Tested on a Hickok 539B Min Gm 5600.
Each tube has a label stating Plate Current and Gm.
Listed by Plate Current and recommended for pairing.
Plate Current | Gm | Date Code |
44.4 | 10,860 | 16 07 |
45.2 | 11,445 | 16 07 |
46.7 | 11,940 | 16 07 |
49.3 | 12,345 | 16 07 |
Price $80.00 Plus Shipping
Shipping USPS ground within the lower 48 states.