5881 / 6L6WGC / 6P3S-E - Russia / Sov
5U4G / 5C3S / 5Ц3C NOS blackplate
5V4G / GZ31 ST-Shape (NOS)
6AS7G / 6H13C / 6N13S Svetlana / Russland (NOS)
6BM8 / ECL82 / 6F3P NOS Russia
6BM8 / ECL82 / 6F3P gematchtes PAAR, NOS Russland
6C33C-B / 6S33S-V Triode, NOS
6C5S (=6X5GT / EZ35) Gleichrichterröhre NOS / NIB
6DJ8 / ECC88 / 6N23P
6H30n-EB für Gleichspannungsheizung
6J1P-EV / 6Ж1P-EB Russia, Pentode
6J7 Metallausführung, NOS
6L6GA / 6P3S -clear top- NOS Russia (ähnlich 6L6GC)
6N1P-EV / 6H1Pi-EB Doppel-Triode
6N1P-VI / 6H1П-BИ Doppel-Triode
6N23P-EV / 6H23P-EB NOS/Russia
6N2P-EV / 6H2Pi-EB Doppel-Triode
6N30P-DR / 6H30n-DP
6N3P / 6N3P-EV (= 2C51, 396A) russische NOS Röhre
6N3P-DR / 6Н3П-ДР (= 2C51, 396A, 5670) russische NOS Röhre
6N6P (6Н6П) Doppeltriode
6P14P-ER / 6P14P-EP aka E84L / 7320
6P14P-K (EL84M)
6P45S / 6П45С -C- Svetlana (aka. EL509 / EL519 )