NEW USSR MILITARY Tubes

Model Number:  6P3S / 6L6 / 6L6GT / 6L6GC / 5881

NEW in BOX 4 TUBES MATCHED!

Year of production  1986!

               Matched QUAD 6P3S (6L6 5881 6L6G) Gold Logo Gold Grid NOS!

                                    Gold Logo. Gilded first Grid, the tube contains 1.942 mg of gold .

0% tolerance!!!

Military equipment, "OTK", high reliability.

Military quality check passed (rhombus)

The tubes are never used. Old stock.

This tubes were tested on high end russian military tube tester L3-3 by a qualified engineer!