6N2P-EV = 12AX7 = ECC83 tube. Double triode
All tubes new. Tube have silver grid.
Each tube contains 0.549 mg of silver.
6N2P-EV is a high-durable, long-life dual triode vacuum tube used as a power amplifier. The tube is similar to ECC83, 12AX7 and 12AX7WA. Please see how to use 6N2P article.
Manufacturers: Voshod, Kaluga, Russia.