2 PCS 6P3S (6L6, 6L6GT, 6П3С) NEW / 70's / OTK MILITARY / BATCH / US SELLER 6P3S (6П3С) OTK Military. Near equivalent: 6l6, 6l6gc, 6L50(V), EL35, EL39, 1622, 5881. Related Images: