| Electron tube Type | Brand | System | Data sheet | 
    | 6H2PEV 6  2     | Soviet | dd | 6H2PEV.pdf (184003 bytes) | 
    | 6H2PE 6  2    | Soviet | dd | 6H2PE.pdf (79093 bytes) | 
    | 6H2P 6  2   | Soviet | dd | 6H2P.pdf (72187 bytes) | 
    | 6H31   | Tesla | H | 6H31.pdf (547400 bytes) (cs) | 
    | 6H4GT | Tung-Sol | d | 6H4GT.pdf (25311 bytes) | 
    | 6H4GT | NU | d | 6H4GT.pdf (37743 bytes) | 
    | 6H5 | Raytheon | ti | 6H5.pdf (41121 bytes) | 
    | 6H6 | RCA | dd | 6H6.pdf (44374 bytes) | 
    | 6H6 | RCA | dd | 6H6.pdf (44974 bytes) | 
    | 6H6 | RCA (HB3) | dd | 6H6.pdf (111722 bytes) | 
    | 6H6 | RFT | dd | 6H6.pdf (78998 bytes) (de) | 
    | 6H6 | General Electric | dd | 6H6.pdf (175768 bytes) | 
    | 6H6 | Sylvania | dd | 6H6.pdf (60092 bytes) (fr) | 
    | 6H6 | Tung-Sol | dd | 6H6.pdf (81210 bytes) | 
    | 6H6G | RCA (HB3) | dd | 6H6.pdf (111722 bytes) | 
    | 6H6G | Sylvania | dd | 6H6.pdf (60092 bytes) (fr) | 
    | 6H6G | Tung-Sol | dd | 6H6.pdf (81210 bytes) | 
    | 6H6G | Brimar | dd | 6H6G.pdf (56206 bytes) | 
    | 6H6GT | RCA (HB3) | dd | 6H6.pdf (111722 bytes) | 
    | 6H6GT     | Sylvania | dd | 1A5GT.pdf (90355 bytes) (fr) | 
    | 6H6GT | Tung-Sol | dd | 6H6.pdf (81210 bytes) | 
    | 6H6GT | Brimar | dd | 6H6G.pdf (56206 bytes) | 
    | 6H6P | Shuguang | dd | 6H6P.pdf (147000 bytes) (zh) | 
    | 6H6S 6  6   | Soviet | dd | 6H6S.pdf (48901 bytes) | 
    | 6H7S | Rogers |  | 6H7S.pdf (391369 bytes) | 
    | 6H8G | Mazda | ddp | 6H8G.pdf (600554 bytes) (fr) | 
    | 6H8G | CompagniedesLampes | ddp | 6H8G.pdf (32999 bytes) | 
    | 6HA5 (= 6HM5) | RCA (HB3) | t | 6HM5.pdf (184115 bytes) | 
    | 6HA5   | General Electric | t | 6HA5.pdf (263500 bytes) | 
    | 6HA5 | RCA (RC30) | t | 6GW8.pdf (819702 bytes) | 
    | 6HA5S | RCA (RC30) | t | 6GW8.pdf (819702 bytes) | 
    | 6HA6 | RMA/EIA | P | 6HA6.pdf (130987 bytes) | 
    | 6HB5 | General Electric | P | 6HB5.pdf (414218 bytes) | 
    | 6HB5 | Tung-Sol | P | 6HB5.pdf (73524 bytes) | 
    | 6HB5 | RCA (RC30) | P | 6GW8.pdf (819702 bytes) | 
    | 6HB6 | RCA (HB3) | P | 6HB6.pdf (75789 bytes) | 
    | 6HB6 | Tung-Sol | P | 6HB6.pdf (193539 bytes) | 
    | 6HB6 | General Electric | P | 6HB6.pdf (331830 bytes) | 
    | 6HB7 | RCA (HB3) | tp | 6HB7.pdf (292341 bytes) | 
    | 6HB7 | RCA (RC30) | tp | 6GW8.pdf (819702 bytes) | 
    | 6HB7 | RMA/EIA | tp | 6HB7.pdf (362810 bytes) | 
    | 6HC8 | Sylvania | tP | 6HC8.pdf (127755 bytes) | 
    | 6HD5 | Raytheon | P | 6HD5.pdf (446846 bytes) | 
    | 6HE5 | RCA (HB3) | P | 6HE5.pdf (97012 bytes) | 
    | 6HE5 | Sylvania | P | 6JC5.pdf (77813 bytes) | 
    | 6HE5 | General Electric | P | 6HE5.pdf (373716 bytes) | 
    | 6HE5 | RCA (RC30) | P | 6HZ6.pdf (672915 bytes) | 
    | 6HE7 | RMA/EIA | RP | 6HE7.pdf (595349 bytes) | 
    | 6HF5 | Tung-Sol | P | 6HF5.pdf (71897 bytes) | 
    | 6HF5 | RCA (RC30) | P | 6GW8.pdf (819702 bytes) | 
    | 6HF8 | RCA (HB3) | tP | 6HF8.pdf (314648 bytes) | 
    | 6HF8 | Tung-Sol | tP | 6HF8.pdf (242966 bytes) | 
    | 6HF8 | RCA (RC30) | tP | 6GW8.pdf (819702 bytes) | 
    | 6HG5 | RCA (HB3) | P | 6HG5.pdf (186554 bytes) | 
    | 6HG5 | RMA/EIA | P | 6HG5.pdf (203892 bytes) | 
    | 6HG8 | Sylvania | tp | 6HG8.pdf (131935 bytes) | 
    | 6HG8 | RCA (RC30) | tp | 6GW8.pdf (819702 bytes) | 
    | 6HJ5 | RCA (HB3) | P | 6HJ5.pdf (79694 bytes) | 
    | 6HJ5 | Raytheon | P | 6HJ5.pdf (468987 bytes) | 
    | 6HJ8 | RCA (HB3) | dp | 6HJ8.pdf (87786 bytes) | 
    | 6HJ8 | Sylvania | dp | 6HJ8.pdf (98783 bytes) | 
    | 6HJ8 | Tung-Sol | dp | 6HJ8.pdf (97427 bytes) | 
    | 6HK5 | Sylvania |  | 6HK5.pdf (100417 bytes) | 
    | 6HK8 | Toshiba | dp? | 6HK8.pdf (223814 bytes) | 
    | 6HL5 | RMA/EIA | P | 6HL5.pdf (163002 bytes) | 
    | 6HL8 | RCA (HB3) | tp | 6HL8.pdf (82931 bytes) | 
    | 6HL8 | RCA (RC30) | tp | 6GW8.pdf (819702 bytes) | 
    | 6HL8 | Sylvania | tp | 6HL8.pdf (82067 bytes) | 
    | 6HM5 | RCA (HB3) | t | 6HM5.pdf (184115 bytes) | 
    | 6HM5 | General Electric | t | 6HM5.pdf (259110 bytes) | 
    | 6HM5 | RCA (RC30) | t | 6GW8.pdf (819702 bytes) | 
    | 6HM5 | Westinghouse | t | 2HM5.pdf (46579 bytes) | 
    | 6HM6 | Tung-Sol | p | 6HM6.pdf (234119 bytes) | 
    | 6HQ5 | Sylvania | t | 6HQ5.pdf (150170 bytes) | 
    | 6HQ5 | RCA (RC30) | t | 6GW8.pdf (819702 bytes) | 
    | 6HQ6 | RadioValveCo |  | 6HQ6.pdf (76671 bytes) | 
    | 6HR6 | RCA (HB3) | p | 6HR6.pdf (167071 bytes) | 
    | 6HR6 | Sylvania | p | 6HR6.pdf (65605 bytes) | 
    | 6HS5 | Sylvania | T | 6HS5.pdf (49133 bytes) | 
    | 6HS5   | RCA (RC30) | T | 6GW8.pdf (819702 bytes) | 
    | 6HS6 | RCA (HB3) | p | 6HS6.pdf (188992 bytes) | 
    | 6HS6 | RCA (RC30) | p | 6HS6.pdf (61844 bytes) | 
    | 6HS8 | RCA (HB3) | pp | 6HS8.pdf (278950 bytes) | 
    | 6HS8 | General Electric | pp | 6HS8.pdf (541161 bytes) | 
    | 6HS8 | Tung-Sol | pp | 6HS8.pdf (78326 bytes) | 
    | 6HS8 | General Electric | pp | 6HS8.pdf (209895 bytes) | 
    | 6HS8 | RCA (RC30) | pp | 6HS8.pdf (138885 bytes) | 
    | 6HT6 | Tung-Sol | p | 6HT6.pdf (216907 bytes) | 
    | 6HU8 | Lorenz | PP | 6HU8.pdf (68688 bytes) | 
    | 6HV5A | General Electric | T | 6HV5A.pdf (235562 bytes) | 
    | 6HV5A | RCA (RC30) | T | 6HS8.pdf (138885 bytes) | 
    | 6HW8 | GeneralElectric | pp | 6HW8.pdf (276849 bytes) | 
    | 6HW8 | GE | pp | 6HW8.pdf (109205 bytes) | 
    | 6HZ5 | RCA | T | 6HZ5.pdf (112891 bytes) | 
    | 6HZ5 | RCA (RC30) | T | 6JH5.pdf (556051 bytes) | 
    | 6HZ6 | RCA (HB3) | p | 6HZ6.pdf (367572 bytes) | 
    | 6HZ6 | Tung-Sol | p | 6HZ6.pdf (233070 bytes) | 
    | 6HZ6 | RCA (RC30) | p | 6HZ6.pdf (672915 bytes) | 
    | 6HZ8 | General Electric | tp | 6HZ8.pdf (535411 bytes) | 
    | 6I1PEV 6  1     | Soviet | tH | 6I1PEV.pdf (254491 bytes) | 
    | 6I1P 6  1   | Soviet | tH | 6I1P.pdf (385027 bytes) | 
    | 6I4P 6  4   | Soviet | tH | 6I4P.pdf (495988 bytes) | 
    | 6J10 | RCA (HB3) | pP | 6J10.pdf (483419 bytes) | 
    | 6J10 | Tung-Sol | pP | 6J10.pdf (104010 bytes) | 
    | 6J10 | RCA (RC30) | pP | 6Z10.pdf (115623 bytes) | 
    | 6J11 | GE |  | 6J11.pdf (150244 bytes) | 
    | 6J1 | Shuguang | p | 6J1.pdf (168491 bytes) (zh) | 
    | 6J21 | Litton |  | 6J21.pdf (77579 bytes) | 
    | 6J4 | RCA (HB3) | t | 6J4.pdf (182715 bytes) | 
    | 6J4 | General Electric | t | 6J4.pdf (196648 bytes) | 
    | 6J4 | Tung-Sol | t | 6J4.pdf (109222 bytes) | 
    | 6J4P | Shuguang | P | 6J4P.pdf (181714 bytes) (zh) | 
    | 6J4WA (= 8532) | RCA (HB3) | t | 8532.pdf (342720 bytes) | 
    | 6J4WA | CSF | t | 6J4WA.pdf (3839062 bytes) (fr) | 
    | 6J4 | Shuguang | p | 6J4.pdf (179421 bytes) (zh) | 
    | 6J5 | RCA (HB3) | t | 6J5.pdf (199190 bytes) | 
    | 6J5 | RFT | t | 6J5.pdf (66104 bytes) (de) | 
    | 6J5 | General Electric | t | 6J5.pdf (316272 bytes) | 
    | 6J5 | Sylvania | t | 6J5.pdf (62311 bytes) (fr) | 
    | 6J5 | Tung-Sol | t | 6J5.pdf (217368 bytes) | 
    | 6J5 | RCA | t | 6J5.pdf (139164 bytes) | 
    | 6J5G | Sylvania | t | 6J5.pdf (62311 bytes) (fr) | 
    | 6J5G | Brimar | t | 6H6G.pdf (56206 bytes) | 
    | 6J5G | Sylvania | t | 6J5G.pdf (36823 bytes) | 
    | 6J5GT | RCA (HB3) | t | 6J5.pdf (199190 bytes) | 
    | 6J5GT | Hytron | t | 6A8GTX.pdf (438870 bytes) | 
    | 6J5GT (= 6S2S_cccp) | Hytron | t | 6S2S.pdf (28978 bytes) | 
    | 6J5GT   | Sylvania | t | 1A5GT.pdf (90355 bytes) (fr) | 
    | 6J5GT | Tung-Sol | t | 6J5.pdf (217368 bytes) | 
    | 6J5GT | Brimar | t | 6H6G.pdf (56206 bytes) | 
    | 6J5GTX | Hytron | t | 6A8GTX.pdf (438870 bytes) | 
    | 6J5WGT   | Raytheon | t | 6J5WGT.pdf (270414 bytes) | 
    | 6J6 (= ECC91) | RFT | tt | ECC91.pdf (104576 bytes) (de) | 
    | 6J6 | General Electric | tt | 6J6.pdf (374978 bytes) | 
    | 6J6 | Tung-Sol | tt | 6J6.pdf (140514 bytes) | 
    | 6J6 | Brimar | tt | 6J6.pdf (99646 bytes) | 
    | 6J6A   | RCA (HB3) | tt | 6J6A.pdf (265630 bytes) | 
    | 6J6A | Tung-Sol | tt | 6J6.pdf (140514 bytes) | 
    | 6J6A   | RCA (RC30) | tt | 6HZ6.pdf (672915 bytes) | 
    | 6J6L (= 6927) | LM Ericsson | tt | 6927.pdf (1455481 bytes) | 
    | 6J6W | CSF | tt | 6J6W.pdf (5412069 bytes) (fr) | 
    | 6J6WA | Tung-Sol | tt | 6J6WA.pdf (125832 bytes) | 
    | 6J7 | RCA | p | 6J7.pdf (78272 bytes) | 
    | 6J7 | RCA | p | 6J7.pdf (86223 bytes) | 
    | 6J7 | General Electric | p | 6J7.pdf (212802 bytes) | 
    | 6J7 | Sylvania | p | 6J7.pdf (75369 bytes) (fr) | 
    | 6J7 | Tung-Sol | p | 6J7.pdf (173434 bytes) | 
    | 6J7G | AWV | p | 6J7G.pdf (504682 bytes) | 
    | 6J7G | Sylvania | p | 6J7.pdf (75369 bytes) (fr) | 
    | 6J7G | Tung-Sol | p | 6J7.pdf (173434 bytes) | 
    | 6J7G | Brimar | p | 6J7G.pdf (71000 bytes) | 
    | 6J7GT | Hytron | p | 6A8GTX.pdf (438870 bytes) | 
    | 6J7GT | Sylvania | p | 6J7GT.pdf (111793 bytes) (fr) | 
    | 6J7GT | Tung-Sol | p | 6J7.pdf (173434 bytes) | 
    | 6J7GT | Brimar | p | 6J7G.pdf (71000 bytes) | 
    | 6J7GTX | Hytron | p | 6A8GTX.pdf (438870 bytes) | 
    | 6J8G   | RCA (HB3) | tH | 6J8G.pdf (105144 bytes) | 
    | 6J8G | Sylvania | tH | 6J8G.pdf (93908 bytes) (fr) | 
    | 6J8G | Tung-Sol | tH | 6J8G.pdf (82989 bytes) | 
    | 6J8G | Sylvania | tH | 6J8G.pdf (79648 bytes) | 
    | 6J8GA | RCA | tH | 6J8GA.pdf (213862 bytes) | 
    | 6J8P | Shuguang | P | 6J8P.pdf (145990 bytes) (zh) | 
    | 6J9 | Sylvania |  | 6J9.pdf (81325 bytes) | 
    | 6JA8 | Tung-Sol | tp | 6JA8.pdf (206262 bytes) | 
    | 6JB5 | Sylvania | P | 6JC5.pdf (77813 bytes) | 
    | 6JB5 | General Electric | P | 6JB5.pdf (351195 bytes) | 
    | 6JB5 | RCA (RC30) | P | 6HZ6.pdf (672915 bytes) | 
    | 6JB6   | RCA (HB3) | P | 6JB6.pdf (157926 bytes) | 
    | 6JB6A | RCA (HB3) | P | 6JB6A.pdf (139710 bytes) | 
    | 6JB6A | RCA (RC30) | P | 6HZ6.pdf (672915 bytes) | 
    | 6JC5 | Sylvania | P | 6JC5.pdf (77813 bytes) | 
    | 6JC6 | RCA (HB3) | p | 6JC6.pdf (191444 bytes) | 
    | 6JC6 | Tung-Sol | p | 6JC6.pdf (130611 bytes) | 
    | 6JC6A | RCA (HB3) | p | 6JC6A.pdf (193373 bytes) | 
    | 6JC6A | General Electric | p | 6JC6A.pdf (338132 bytes) | 
    | 6JC6A | RCA (RC30) | p | 6HZ6.pdf (672915 bytes) | 
    | 6JC8 | RCA (HB3) | tp | 6JC8.pdf (98741 bytes) | 
    | 6JC8 | General Electric | tp | 6JC8.pdf (485024 bytes) | 
    | 6JC8 | RCA (RC30) | tp | 6HZ6.pdf (672915 bytes) | 
    | 6JD5 | RCA | T | 6HZ5.pdf (112891 bytes) | 
    | 6JD5 | General Electric | T | 6JD5.pdf (230001 bytes) | 
    | 6JD5 | RCA (RC30) | T | 6JH5.pdf (556051 bytes) | 
    | 6JD6   | RCA (HB3) | p | 6JD6.pdf (179192 bytes) | 
    | 6JD6 | Tung-Sol | p | 6JD6.pdf (129201 bytes) | 
    | 6JD6 | General Electric | p | 6JD6.pdf (339062 bytes) | 
    | 6JD6   | RCA (RC30) | p | 6HZ6.pdf (672915 bytes) | 
    | 6JE6 | RCA (HB3) | P | 6JE6.pdf (237931 bytes) | 
    | 6JE6A | RCA (HB3) | P | 6JE6A.pdf (223730 bytes) | 
    | 6JE6A | RMA/EIA | P | 6JE6A.pdf (318660 bytes) | 
    | 6JE6C   | General Electric | P | 6JE6C.pdf (273507 bytes) | 
    | 6JE6C | RCA (RC30) | P | 6MG8.pdf (468291 bytes) | 
    | 6JE8     | Sylvania | tP | 6JE8.pdf (84341 bytes) | 
    | 6JF6 | RCA (HB3) | P | 6JF6.pdf (176913 bytes) | 
    | 6JF6 | RCA (RC30) | P | 6HZ6.pdf (672915 bytes) | 
    | 6JG5 | General Electric | p | 6JG5.pdf (394961 bytes) | 
    | 6JG5 | RCA (RC30) | p | 6HZ6.pdf (672915 bytes) | 
    | 6JG6 | RCA (HB3) | P | 6JG6.pdf (96276 bytes) | 
    | 6JG6A | RCA (HB3) | P | 6JG6A.pdf (190233 bytes) | 
    | 6JG6A | RCA (RC30) | P | 6HZ6.pdf (672915 bytes) | 
    | 6JH5 | General Electric | T | 6JH5.pdf (239230 bytes) | 
    | 6JH5 | RCA (RC30) | T | 6JH5.pdf (556051 bytes) | 
    | 6JH6 | RCA (HB3) | p | 6JH6.pdf (273941 bytes) | 
    | 6JH6 | Tung-Sol | p | 6JH6.pdf (189044 bytes) | 
    | 6JH6 | RCA (RC30) | p | 6BY6.pdf (790979 bytes) | 
    | 6JH6 | RCA (RC30) | p | 6JH5.pdf (556051 bytes) | 
    | 6JH8 | RCA (HB3) | BDT | 6JH8.pdf (285967 bytes) | 
    | 6JH8 | General Electric | BDT | 6JH8.pdf (311639 bytes) | 
    | 6JH8 | Tung-Sol | BDT | 6JH8.pdf (90536 bytes) | 
    | 6JH8 | RCA (RC30) | BDT | 6JH5.pdf (556051 bytes) | 
    | 6JK5 | General Electric | T | 6JK5.pdf (242476 bytes) | 
    | 6JK6 | Sylvania | p | 6JK6.pdf (61283 bytes) | 
    | 6JK6 | Sylvania | p | 6JK6.pdf (245129 bytes) | 
    | 6JK8 | Sylvania | tt | 6JK8.pdf (118027 bytes) | 
    | 6JK8 | Tung-Sol | tt | 6JK8.pdf (64097 bytes) | 
    | 6JL6 | Sylvania | p | 6JL6.pdf (198364 bytes) | 
    | 6JL8 | Raytheon |  | 6JL8.pdf (98612 bytes) | 
    | 6JM6 | General Electric | P | 6JM6.pdf (377654 bytes) | 
    | 6JM6 | Tung-Sol | P | 6JM6.pdf (190916 bytes) | 
    | 6JM6A   | RCA (RC30) | P | 6JH5.pdf (556051 bytes) | 
    | 6JM6A | RMA/EIA | P | 6JM6A.pdf (192423 bytes) | 
    | 6JN6 | General Electric | P | 6JN6.pdf (372666 bytes) | 
    | 6JN6 | Tung-Sol | P | 6JN6.pdf (189092 bytes) | 
    | 6JN6 | RCA (RC30) | P | 6JH5.pdf (556051 bytes) | 
    | 6JN6A | RMA/EIA | P | 6JN6A.pdf (186948 bytes) | 
    | 6JN8 | General Electric | tp | 6JN8.pdf (162318 bytes) | 
    | 6JN8 | Tung-Sol | tp | 6JN8.pdf (96584 bytes) | 
    | 6JN8 | RCA (RC30) | tp | 6JH5.pdf (556051 bytes) | 
    | 6JQ6 | RCA (HB3) | dP | 6JQ6.pdf (124012 bytes) | 
    | 6JQ6 | RCA (RC30) | dP | 6JH5.pdf (556051 bytes) | 
    | 6JR6 | RCA (HB3) | P | 6JR6.pdf (229056 bytes) | 
    | 6JR6 | RCA (RC30) | P | 6JH5.pdf (556051 bytes) | 
    | 6JS6 | Tung-Sol | P | 6JS6.pdf (73558 bytes) | 
    | 6JS6 | RMA/EIA | P | 6JS6.pdf (377897 bytes) | 
    | 6JS6A | RMA/EIA | P | 6JS6A.pdf (352252 bytes) | 
    | 6JS6C   | General Electric | P | 6JS6C.pdf (332965 bytes) | 
    | 6JS6C | RCA (RC30) | P | 6JH5.pdf (556051 bytes) | 
    | 6JT6 | RCA (HB3) | P | 6JT6.pdf (144701 bytes) | 
    | 6JT6 | RMA/EIA | P | 6JT6.pdf (230493 bytes) | 
    | 6JT6A | RCA (HB3) | P | 6JT6A.pdf (138391 bytes) | 
    | 6JT6A | RCA (RC30) | P | 6JT6A.pdf (221132 bytes) | 
    | 6JT8 | RCA | tP | 6JT8.pdf (644263 bytes) | 
    | 6JT8   | RCA (RC30) | tP | 6JT6A.pdf (221132 bytes) | 
    | 6JU6 | RCA (HB3) | P | 6JU6.pdf (194125 bytes) | 
    | 6JU6 | RCA (RC30) | P | 6JT6A.pdf (221132 bytes) | 
    | 6JU6 | RMA/EIA | P | 6JU6.pdf (286196 bytes) | 
    | 6JU8 | RCA (HB3) | dddd | 6JU8.pdf (64570 bytes) | 
    | 6JU8A   | RCA (HB3) | dddd | 6JU8A.pdf (60929 bytes) | 
    | 6JU8A | Tung-Sol | dddd | 6JU8A.pdf (58953 bytes) | 
    | 6JU8A | General Electric | dddd | 6JU8A.pdf (180992 bytes) | 
    | 6JU8A   | RCA (RC30) | dddd | 6JU8A.pdf (328029 bytes) | 
    | 6JV8 | RCA (HB3) | tp | 6JV8.pdf (216465 bytes) | 
    | 6JV8 | Tung-Sol | tp | 6JV8.pdf (169855 bytes) | 
    | 6JV8 | General Electric | tp | 6JV8.pdf (584799 bytes) | 
    | 6JV8 | RCA (RC30) | tp | 6JU8A.pdf (328029 bytes) | 
    | 6JW6 | RMA/EIA | P | 6JW6.pdf (299509 bytes) | 
    | 6JW8 | General Electric | tp | 6JW8.pdf (312344 bytes) | 
    | 6JW8 | RCA (RC30) | tp | 6JU8A.pdf (328029 bytes) | 
    | 6JW8 | RCA (RC30) | tp | 6JU8A.pdf (328029 bytes) | 
    | 6JZ6 | General Electric | P | 6JZ6.pdf (368379 bytes) | 
    | 6JZ8 | RCA (HB3) | tP | 6JZ8.pdf (91169 bytes) | 
    | 6JZ8 | General Electric | tP | 6JZ8.pdf (609733 bytes) | 
    | 6JZ8 | Tung-Sol | tP | 6JZ8.pdf (91329 bytes) | 
    | 6JZ8 | RCA (RC30) | tP | 6JU8A.pdf (328029 bytes) | 
    | 6K11 | RCA (HB3) | ttt | 6K11.pdf (131155 bytes) | 
    | 6K11 | General Electric | ttt | 6K11.pdf (167673 bytes) | 
    | 6K13P 6  13   | Soviet | p | 6K13P.pdf (254928 bytes) | 
    | 6K1P 6  1   | Soviet | p | 6K1P.pdf (162073 bytes) | 
    | 6K3P | Shuguang | P | 6K3P.pdf (135687 bytes) (zh) | 
    | 6K3 6  3 | Soviet | p | 6K3.pdf (31323 bytes) | 
    | 6K4 | Sylvania | t | 6K4.pdf (91328 bytes) | 
    | 6K4PEV 6  4     | Soviet | p | 6K4PEV.pdf (247407 bytes) | 
    | 6K4P 6  4   | Soviet | p | 6K4P.pdf (213125 bytes) | 
    | 6K4 | Shuguang | P | 6K4.pdf (171305 bytes) (zh) | 
    | 6K50000LQ | Eimac | KLY | 6K50000LQ.pdf (1201961 bytes) | 
    | 6K5G | RCA (HB3) | t | 6K5G.pdf (94538 bytes) | 
    | 6K5G   | Sylvania | t | 6K5G.pdf (59825 bytes) (fr) | 
    | 6K5G | Tung-Sol | t | 6K5G.pdf (98996 bytes) | 
    | 6K5G | Sylvania | t | 6K5G.pdf (42887 bytes) | 
    | 6K5GT | RCA (HB3) | t | 6K5G.pdf (94538 bytes) | 
    | 6K5GT | Hytron | t | 6K5GT.pdf (29097 bytes) | 
    | 6K6G | Sylvania | P | 6K6G.pdf (22730 bytes) (fr) | 
    | 6K6G | Brimar | P | 6K6G.pdf (36384 bytes) | 
    | 6K6GT   | RCA (HB3) | P | 6K6GT.pdf (481021 bytes) | 
    | 6K6GT | General Electric | P | 6K6GT.pdf (495321 bytes) | 
    | 6K6GT   | Sylvania | P | 6J7GT.pdf (111793 bytes) (fr) | 
    | 6K6GT | Tung-Sol | P | 6K6GT.pdf (292176 bytes) | 
    | 6K6GT   | RCA (RC30) | P | 6JU8A.pdf (328029 bytes) | 
    | 6K6GT | Hytron | P | 6K6GT.pdf (978228 bytes) | 
    | 6K7 | RCA | p | 6K7.pdf (101933 bytes) | 
    | 6K7 | RCA | p | 6K7.pdf (98180 bytes) | 
    | 6K7 | General Electric | p | 6K7.pdf (196863 bytes) | 
    | 6K7 | Sylvania | p | 6K7.pdf (70197 bytes) (fr) | 
    | 6K7 | Tung-Sol | p | 6K7.pdf (204579 bytes) | 
    | 6K7G | Sylvania | p | 6K7.pdf (70197 bytes) (fr) | 
    | 6K7G | Tung-Sol | p | 6K7.pdf (204579 bytes) | 
    | 6K7G | Brimar | p | 6K7G.pdf (52365 bytes) | 
    | 6K7GT | Hytron | p | 6A8GTX.pdf (438870 bytes) | 
    | 6K7GT | Sylvania | p | 6J7GT.pdf (111793 bytes) (fr) | 
    | 6K7GT   | Tung-Sol | p | 6K7.pdf (204579 bytes) | 
    | 6K7GT | Brimar | p | 6K7G.pdf (52365 bytes) | 
    | 6K7GT | Hytron | p | 6K7GT.pdf (70392 bytes) | 
    | 6K7GTX | Hytron | p | 6A8GTX.pdf (438870 bytes) | 
    | 6K8 | RCA (HB3) | th | 6K8.pdf (125085 bytes) | 
    | 6K8 | Sylvania | th | 6K8.pdf (97325 bytes) (fr) | 
    | 6K8 | Tung-Sol | th | 6K8.pdf (93111 bytes) | 
    | 6K8 | Mazda | th | 6K8.pdf (55148 bytes) (fr) | 
    | 6K8 | RCA | th | 6K8.pdf (118006 bytes) | 
    | 6K8G | RCA (HB3) | th | 6K8.pdf (125085 bytes) | 
    | 6K8G | Sylvania | th | 6K8.pdf (97325 bytes) (fr) | 
    | 6K8G | Tung-Sol | th | 6K8.pdf (93111 bytes) | 
    | 6K8G | Brimar | th | 6K8G.pdf (64547 bytes) | 
    | 6K8G | Raytheon | th | 6K8G.pdf (94447 bytes) | 
    | 6K8GT | RCA (HB3) | th | 6K8.pdf (125085 bytes) | 
    | 6K8GT | Hytron | th | 6A8GTX.pdf (438870 bytes) | 
    | 6K8GT   | Sylvania | th | 6J7GT.pdf (111793 bytes) (fr) | 
    | 6K8GT | Tung-Sol | th | 6K8.pdf (93111 bytes) | 
    | 6K8GT | Brimar | th | 6K8G.pdf (64547 bytes) | 
    | 6K8GT | Arcturus | th | 6K8GT.pdf (93550 bytes) | 
    | 6K8GTX | Hytron | th | 6A8GTX.pdf (438870 bytes) | 
    | 6KA8 | RCA (HB3) | tp | 6KA8.pdf (468825 bytes) | 
    | 6KA8 | Sylvania | tp | 6KA8.pdf (135911 bytes) | 
    | 6KA8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KD6 | RCA (HB3) | P | 6KD6.pdf (138750 bytes) | 
    | 6KD6         | General Electric | P | 6KD6.pdf (392568 bytes) | 
    | 6KD6 | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6KD8 | Tung-Sol | tp | 6KD8.pdf (74676 bytes) | 
    | 6KD8 | RCA (RC30) | tp | 6SN7GTB.pdf (333220 bytes) | 
    | 6KD8 | Sylvania | tp | 6KD8.pdf (76713 bytes) | 
    | 6KE8 | RCA (HB3) | tp | 6KE8.pdf (290834 bytes) | 
    | 6KE8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KE8 | RCA | tp | 5KE8.pdf (213475 bytes) | 
    | 6KG6 | Amperex | P | 6KG6.pdf (128139 bytes) | 
    | 6KG6 (= EL509)   | Svetlana | P | EL509.pdf (59688 bytes) | 
    | 6KG6A | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6KM6   | RCA (HB3) | P | 6KM6.pdf (198813 bytes) | 
    | 6KM6   | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6KM8   | RCA (HB3) | dqqq | 6KM8.pdf (235040 bytes) | 
    | 6KM8   | RCA (RC30) | dqqq | 6KA8.pdf (1162104 bytes) | 
    | 6KN6 | Sylvania | P | 6KN6.pdf (148615 bytes) | 
    | 6KN6 | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6KN8 | Hitachi |  | 4KN8.pdf (133612 bytes) | 
    | 6KR8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KR8 | GE | tp | 6KR8.pdf (122762 bytes) | 
    | 6KR8A | General Electric | tp | 6KR8A.pdf (484004 bytes) | 
    | 6KS6 | General Electric | p | 6KS6.pdf (261420 bytes) | 
    | 6KS6 | RCA (RC30) | p | 6BK7B.pdf (267906 bytes) | 
    | 6KS8 | Sylvania |  | 6KS8.pdf (102484 bytes) | 
    | 6KT6   | RCA (HB3) | p | 6KT6.pdf (179779 bytes) | 
    | 6KT6   | RCA (RC30) | p | 6KA8.pdf (1162104 bytes) | 
    | 6KT8 | RCA (HB3) | tp | 6KT8.pdf (89194 bytes) | 
    | 6KT8   | General Electric | tp | 6KT8.pdf (487204 bytes) | 
    | 6KT8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KU8 | Sylvania | ddp | 6KU8.pdf (258783 bytes) | 
    | 6KV6 | RCA (HB3) | P | 6KV6.pdf (80993 bytes) | 
    | 6KV6A | RCA (HB3) | P | 6KV6A.pdf (140340 bytes) | 
    | 6KV6A | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6KV8 | RCA (HB3) | tp | 6KV8.pdf (315403 bytes) | 
    | 6KV8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KY6 | RCA (HB3) | P | 6KY6.pdf (167894 bytes) | 
    | 6KY8 | RCA (HB3) | tp | 6KY8.pdf (105382 bytes) | 
    | 6KY8A | RCA (HB3) | tp | 6KY8A.pdf (293804 bytes) | 
    | 6KY8A | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6KZ8 | RCA (HB3) | tp | 6KZ8.pdf (313241 bytes) | 
    | 6KZ8 | Sylvania | tp | 6KZ8.pdf (132973 bytes) | 
    | 6KZ8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 6L1 | Mazda | tt | 6L1.pdf (291695 bytes) | 
    | 6L10 | Tesla | P | 6L10.pdf (276047 bytes) (cs) | 
    | 6L18 | Mazda | t | 6L18.pdf (127199 bytes) | 
    | 6L19 | Mazda | tt | 6L19.pdf (320916 bytes) | 
    | 6L31     | Tesla | P | 6L31.pdf (349451 bytes) (cs) | 
    | 6L4 | RCA (HB3) | t | 6L4.pdf (135428 bytes) | 
    | 6L41 | Tesla | P~ | 6L41.pdf (2552899 bytes) (cs) | 
    | 6L43 | Tesla | P | 6L43.pdf (1199819 bytes) (cs) | 
    | 6L50V | Tesla | P | 6L50V.pdf (246777 bytes) (cs) | 
    | 6L5G | RCA (HB3) | t | 6L5G.pdf (114472 bytes) | 
    | 6L5G | Sylvania | t | 6L5G.pdf (45971 bytes) (fr) | 
    | 6L5G | Tung-Sol | t | 6L5G.pdf (103893 bytes) | 
    | 6L5G | Sylvania | t | 6L5G.pdf (31201 bytes) | 
    | 6L6 | RCA | P | 6L6.pdf (261291 bytes) | 
    | 6L6 | RCA (HB3) | P | 6L6.pdf (555294 bytes) | 
    | 6L6 | RFT | P | 6L6.pdf (130884 bytes) (de) | 
    | 6L6 | Sylvania | P | 6L6.pdf (143158 bytes) (fr) | 
    | 6L6 | Tung-Sol | P | 6L6G.pdf (310355 bytes) | 
    | 6L6 | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6L6G | RCA (HB3) | P | 6L6.pdf (555294 bytes) | 
    | 6L6G | Sylvania | P | 6L6.pdf (143158 bytes) (fr) | 
    | 6L6G | Tung-Sol | P | 6L6G.pdf (310355 bytes) | 
    | 6L6G | Sylvania | P | 6L6G.pdf (511251 bytes) | 
    | 6L6G | Brimar | P | 6L6G.pdf (101342 bytes) | 
    | 6L6GB | RCA (HB3) | P | 6L6GB.pdf (509820 bytes) | 
    | 6L6GB | Tung-Sol | P | 6L6GB.pdf (282305 bytes) | 
    | 6L6GC | Mazda-Belvu | P | 6L6GC.pdf (722790 bytes) (fr) | 
    | 6L6GC | RCA (HB3) | P | 6L6GC.pdf (453832 bytes) | 
    | 6L6GC | Ei | P | 6L6GC.pdf (916149 bytes) | 
    | 6L6GC   | General Electric | P | 6L6GC.pdf (876597 bytes) | 
    | 6L6GC | Tung-Sol | P | 6L6GC.pdf (679640 bytes) | 
    | 6L6GC   | JJ | P | 6L6GC.pdf (198340 bytes) | 
    | 6L6GC | RCA (RC30) | P | 6KA8.pdf (1162104 bytes) | 
    | 6L6WGA (= 5932)   | Sylvania | P | 5932.pdf (376680 bytes) | 
    | 6L6WGB       | Tung-Sol | P | 6L6WGB.pdf (306511 bytes) | 
    | 6L6WGB       | Tung-Sol | P | 6L6WGB.pdf (308662 bytes) | 
    | 6L7 | RCA | H | 6L7.pdf (88179 bytes) | 
    | 6L7 | RCA | H | 6L7.pdf (82648 bytes) | 
    | 6L7 | RCA (HB3) | H | 6L7.pdf (415405 bytes) | 
    | 6L7 | Ken-Rad | H | 6L7.pdf (910355 bytes) | 
    | 6L7 | Sylvania | H | 6L7.pdf (99754 bytes) (fr) | 
    | 6L7 | Tung-Sol | H | 6L7.pdf (209234 bytes) | 
    | 6L7G | RCA (HB3) | H | 6L7.pdf (415405 bytes) | 
    | 6L7G | Sylvania | H | 6L7.pdf (99754 bytes) (fr) | 
    | 6L7G | Tung-Sol | H | 6L7.pdf (209234 bytes) | 
    | 6LB6 | RCA (HB3) | P | 6LB6.pdf (136725 bytes) | 
    | 6LB6   | General Electric | P | 6LB6.pdf (405153 bytes) | 
    | 6LB6 | RCA (RC30) | P | 6LB6.pdf (61775 bytes) | 
    | 6LB8 | Sylvania | tp | 6LB8.pdf (118142 bytes) | 
    | 6LC8 | RCA (HB3) | tp | 6LC8.pdf (325346 bytes) | 
    | 6LC8 | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LC8 | RCA | tp | 6LC8.pdf (220964 bytes) | 
    | 6LD20   | Mazda | ddt | 6LD20.pdf (83777 bytes) | 
    | 6LE8 | RCA (HB3) | pp | 6LE8.pdf (120050 bytes) | 
    | 6LE8 | General Electric | pp | 6LE8.pdf (319549 bytes) | 
    | 6LE8 | RCA (RC30) | pp | 6LC8.pdf (728202 bytes) | 
    | 6LF6 | Sylvania | P | 6LF6.pdf (51616 bytes) | 
    | 6LF6 | RCA (RC30) | P | 6LC8.pdf (728202 bytes) | 
    | 6LF8   | RCA (HB3) | tp | 6LF8.pdf (345894 bytes) | 
    | 6LF8 | Sylvania | tp | 6LF8.pdf (73753 bytes) | 
    | 6LF8 | Tung-Sol | tp | 6LF8.pdf (158214 bytes) | 
    | 6LF8   | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LF8 | RMA/EIA | tp | 6LF8.pdf (444339 bytes) | 
    | 6LG6 | General Electric | P | 6LG6.pdf (396314 bytes) | 
    | 6LH6A | RCA (RC30) | T | 6LC8.pdf (728202 bytes) | 
    | 6LJ6A | General Electric | T | 6LJ6A.pdf (428466 bytes) | 
    | 6LJ6A | RCA (RC30) | T | 6LC8.pdf (728202 bytes) | 
    | 6LJ8 | General Electric | tp | 6LJ8.pdf (471600 bytes) | 
    | 6LJ8     | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LJ8 | RMA/EIA | tp | 6LJ8.pdf (478740 bytes) | 
    | 6LM8 | RCA (HB3) | tp | 6LM8.pdf (315359 bytes) | 
    | 6LM8 | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LM8 | RMA/EIA | tp | 6LM8.pdf (384668 bytes) | 
    | 6LN8 | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LN8 | RMA/EIA | tp | 6LN8.pdf (14608 bytes) | 
    | 6LQ6 | RCA (HB3) | P | 6LQ6.pdf (214707 bytes) | 
    | 6LQ6 | General Electric | P | 6LQ6.pdf (282234 bytes) | 
    | 6LQ6 | RCA (RC30) | P | 6MG8.pdf (468291 bytes) | 
    | 6LQ8 | RCA (HB3) | tP | 6LQ8.pdf (270266 bytes) | 
    | 6LQ8 | RCA (RC30) | tP | 6LC8.pdf (728202 bytes) | 
    | 6LQ8 | RMA/EIA | tP | 6LQ8.pdf (426637 bytes) | 
    | 6LR6 | RCA | P | 6LR6.pdf (654983 bytes) | 
    | 6LR6 | RCA (RC30) | P | 6LC8.pdf (728202 bytes) | 
    | 6LR8 | General Electric | tp | 6LR8.pdf (462527 bytes) | 
    | 6LR8   | RCA (RC30) | tp | 6LC8.pdf (728202 bytes) | 
    | 6LT8 | General Electric | ddp | 6LT8.pdf (461140 bytes) | 
    | 6LT8   | RCA (RC30) | ddp | 6LC8.pdf (728202 bytes) | 
    | 6LU8 | Sylvania | tP | 6LU8.pdf (83378 bytes) | 
    | 6LU8 | General Electric | tP | 6LU8.pdf (549632 bytes) | 
    | 6LU8 | RCA (RC30) | tP | 6LU8.pdf (504376 bytes) | 
    | 6LX6 | RCA (RC30) | P | 6LC8.pdf (728202 bytes) | 
    | 6LX8 | General Electric | tp | 6LX8.pdf (318150 bytes) | 
    | 6LX8 | RCA (RC30) | tp | 6JU8A.pdf (328029 bytes) | 
    | 6LX8 | RMA/EIA | tp | 6LX8.pdf (12453 bytes) | 
    | 6LY1A | Cintel | CRR | 6LY1A.pdf (100998 bytes) | 
    | 6LY8 | General Electric | tP | 6LY8.pdf (492706 bytes) | 
    | 6LY8   | RCA (RC30) | tP | 6LU8.pdf (504376 bytes) | 
    | 6LZ6 | RCA (HB3) | P | 6LZ6.pdf (202971 bytes) | 
    | 6M-HH3 | Hitachi | tt | 6M-HH3.pdf (78523 bytes) | 
    | 6M11 | General Electric | ttp | 6M11.pdf (495795 bytes) | 
    | 6M11 | RCA (RC30) | ttp | 6LU8.pdf (504376 bytes) | 
    | 6M2 | Mazda | tii | 6M2.pdf (226328 bytes) | 
    | 6M3 | Lansdale | R | 6M3.pdf (89728 bytes) | 
    | 6M5 | Philips | P | 6M5.pdf (178383 bytes) | 
    | 6M6G | JVisseaux | P | 6M6G.pdf (27657 bytes) | 
    | 6M7G | CompagniedesLampes | p | 6M7G.pdf (33108 bytes) | 
    | 6M8GT | Arcturus | dtp | 6M8GT.pdf (101849 bytes) | 
    | 6MA6 | General Electric | T | 6MA6.pdf (446393 bytes) | 
    | 6MB8 | Sylvania | tp | 6MB8.pdf (391121 bytes) | 
    | 6MC6 | RCA (HB3) | P | 6MC6.pdf (183406 bytes) | 
    | 6MD8   | RCA (HB3) | ttt | 6MD8.pdf (110535 bytes) | 
    | 6MD8 | General Electric | ttt | 6MD8.pdf (310818 bytes) | 
    | 6MD8   | RCA (RC30) | ttt | 6LU8.pdf (504376 bytes) | 
    | 6ME6 | RCA (HB3) | P | 6ME6.pdf (208930 bytes) | 
    | 6ME6 | RCA (RC30) | P | 6LU8.pdf (504376 bytes) | 
    | 6ME8 | RCA (HB3) | BDT | 6ME8.pdf (281979 bytes) | 
    | 6ME8 | RCA (RC30) | BDT | 6LU8.pdf (504376 bytes) | 
    | 6MF8 | Sylvania | tP | 6MF8.pdf (117865 bytes) | 
    | 6MF8 | RCA (RC30) | tP | 6LU8.pdf (504376 bytes) | 
    | 6MG8 | RCA (RC30) | tp | 6MG8.pdf (468291 bytes) | 
    | 6MH6 | General Electric | P | 6MH6.pdf (495916 bytes) | 
    | 6MJ6 | RCA (RC30) | P | 6MG8.pdf (468291 bytes) | 
    | 6MJ8 | RCA (HB3) | ttt | 6MJ8.pdf (128338 bytes) | 
    | 6MJ8   | General Electric | ttt | 6MJ8.pdf (214409 bytes) | 
    | 6MJ8 | RCA (RC30) | ttt | 6MG8.pdf (468291 bytes) | 
    | 6MK8A | RCA (RC30) | pp | 6MG8.pdf (468291 bytes) | 
    | 6MN8 | RCA (HB3) | ttt | 6MN8.pdf (72768 bytes) | 
    | 6MN8 | General Electric | ttt | 6MN8.pdf (278593 bytes) | 
    | 6MN8 | RCA (RC30) | ttt | 6MG8.pdf (468291 bytes) | 
    | 6MQ8 | RCA (HB3) | tp | 6MQ8.pdf (304413 bytes) | 
    | 6MQ8 | RCA (RC30) | tp | 6MG8.pdf (468291 bytes) | 
    | 6MU8 | RCA (HB3) | tp | 6MU8.pdf (134861 bytes) | 
    | 6MU8 | RCA (RC30) | tp | 6MG8.pdf (468291 bytes) | 
    | 6MV8 | RCA (RC30) | tp | 6MG8.pdf (468291 bytes) | 
    | 6N13P | Shuguang | TT | 6N13P.pdf (130139 bytes) (zh) |