Condition: Out of Stock - 6N2P-EV/6h2n-EB (Cyrillic) long life, improved and rugged version good for at least >5000 hours service. With a small adjustment it can be used as replacement for ECC83 / 12AX7. The 6N2P is a shieleded ECC83 (low-hum) and has a bit lower gain.The filament/heater is connected like ECC88. This makes it only work on 6.3Volt. Producted at Voskhod, Kaluga - 1986. Typical characteristics: Va=250V, Ia=2.3mA, Vg=-1.5V, Gm=2100.