The Bind Is For 1 pcs 

                   NOS 

Key specifications for 6E1P:
Filament voltage - 6,3 ± 0,6 In
Filament current -300 ± 25 mA
The anode voltage nominal (constant) - 100 V
The anode voltage limit (constant) - 250 V
The anode current - 2 ± 1.5 mA
The voltage of the anode crater of a nominal (constant) - 250 V
The voltage of the anode crater of the largest (permanent) - 250 V
The voltage of the anode crater of the smallest (constant) - 150 V
The anode current of the crater - no more than 4 mA
Voltage grid (constant) is -2 V
Reverse current mesh - not more than 0.5 µa
The power dissipated by the anode limit - 0.2 W
The voltage between cathode and heater limit (DC) - 300 V
The steepness of the characteristics - not less than 0.5 mA/V
Gain - 24 ± 10
The resistance in the grid circuit limiting - 3 IOM