Soviet Rectifier Reflector tube 6C4P-EV (6Ц4П-ЕВ)
Tube has similar characteristics as SV4005, EZ90, 6Z31 (not absolute substitution)
Electrical data:
Filament voltage, V 6.3
Filament Current, mA 450
AC effective voltage secondary winding of the transformer, V 2x350
Resistance in anode circuit, Ohm 5200
Capacity of the filter, uF 8
The rectified current of each diode, mA least 72
High reliability, long life tube, 5000 h.