Lot of 4 pcs   6N3P-i REFLEKTOR , NEW, NOS (6Н3П-И)
( ECC42 / 6385 / 2C51/ 6CC42 / 396A / 5670 ) Gold plated grid!
The tube is made at the factory REFLEKTOR (Saratov), one date 07.1986
Quality Russian 6N3P-i (6Н3П-и) Double Triodes Tubes
with the famous  Gold LogoMilitary ! 
Nickel plated pinsQuadruple Mica !
The double triode, with Gold plated grid !
The - i  version of the tube was designed for reliable military applications and it is stands for increased emissivity which also allows the tube to pulse operation at way higher currents. Cool electrode architecture, the tube has four mica spacers supporting the electrodes.
Military equipment!  Marked by stamp OTK and <>
Hi-durable, long-life non less 5000 hours

NOTE: 
The characteristics of the lamp is very linear, 
minimal noise, no microphone effect, the average gain. 
The use of power amplifiers and phono equalizer sound has a velvet touch. 
Year of production tubes 7.1986  
USSR (NEW, NOS, OTK,)    from old stock