| Electron tube Type | Brand | System | Data sheet | 
    | 6BE7 | Philips | e | 6BE7.pdf (372946 bytes) | 
    | 6BE8 | Sylvania | tp | 6BE8.pdf (157308 bytes) | 
    | 6BE8 | Sylvania | tp | 6BE8.pdf (740343 bytes) | 
    | 6BE8A | Sylvania | tp | 6BE8A.pdf (36228 bytes) | 
    | 6BF11 | RCA (HB3) | pP | 6BF11.pdf (406799 bytes) | 
    | 6BF11   | General Electric | pP | 6BF11.pdf (871721 bytes) | 
    | 6BF11 | Tung-Sol | pP | 6BF11.pdf (103206 bytes) | 
    | 6BF11 | RCA (RC30) | pP | 6BC4.pdf (510539 bytes) | 
    | 6BF5   | General Electric | P | 6BF5.pdf (330105 bytes) | 
    | 6BF5 | Tung-Sol | P | 6BF5.pdf (79920 bytes) | 
    | 6BF6 | Tung-Sol | ddt | 6BF6.pdf (159177 bytes) | 
    | 6BF6 | Sylvania | ddt | 6BF6.pdf (170077 bytes) | 
    | 6BF6 | General Electric | ddt | 6BF6.pdf (430820 bytes) | 
    | 6BF7 | Tung-Sol | tt | 6BF7.pdf (113614 bytes) | 
    | 6BF7A | Sylvania | tt | 6BF7A.pdf (46843 bytes) | 
    | 6BF8 | GE |  | 6BF8.pdf (75529 bytes) | 
    | 6BG6G | Tung-Sol | P | 6BG6G.pdf (188945 bytes) | 
    | 6BG6G | Sylvania | P | 6BG6G.pdf (345299 bytes) | 
    | 6BG6G | Brimar | P | 6BG6G.pdf (94604 bytes) | 
    | 6BG6GA     | General Electric | P | 6BG6GA.pdf (389203 bytes) | 
    | 6BG6GA | Tung-Sol | P | 6BG6GA.pdf (74751 bytes) | 
    | 6BG7 | Sylvania | tt | 6BG7.pdf (36226 bytes) | 
    | 6BH11   | General Electric | ttp | 6BH11.pdf (687652 bytes) | 
    | 6BH11 | RCA (RC30) | ttp | 6BH11.pdf (267732 bytes) | 
    | 6BH3 | RCA | R | 6BH3.pdf (115689 bytes) | 
    | 6BH3A | RCA (HB3) | R | 6BH3A.pdf (60831 bytes) | 
    | 6BH5 | Philips | p | 6BH5.pdf (289036 bytes) | 
    | 6BH6   | RCA (HB3) | p | 6BH6.pdf (520290 bytes) | 
    | 6BH6     | General Electric | p | 6BH6.pdf (565086 bytes) | 
    | 6BH6 | Tung-Sol | p | 6BH6.pdf (166434 bytes) | 
    | 6BH6 | Brimar | p | 6BH6.pdf (90295 bytes) | 
    | 6BH6   | RCA (RC30) | p | 6201.pdf (902849 bytes) | 
    | 6BH6   | RCA (RC30) | p | 6BC4.pdf (510539 bytes) | 
    | 6BH8   | General Electric | tp | 6BH8.pdf (688902 bytes) | 
    | 6BH8 | Tung-Sol | tp | 6BH8.pdf (438741 bytes) | 
    | 6BJ3 | RCA (HB3) | R | 6BJ3.pdf (56416 bytes) | 
    | 6BJ3 | General Electric | R | 6BJ3.pdf (177999 bytes) | 
    | 6BJ5 | AWV | P | 6BJ5.pdf (34464 bytes) | 
    | 6BJ6     | RCA (HB3) | p | 6BJ6.pdf (239014 bytes) | 
    | 6BJ6   | General Electric | p | 6BJ6.pdf (418311 bytes) | 
    | 6BJ6 | Tung-Sol | p | 6BJ6.pdf (229112 bytes) | 
    | 6BJ6 | Brimar | p | 6BJ6.pdf (87010 bytes) | 
    | 6BJ6     | RCA (RC30) | p | 6BH11.pdf (267732 bytes) | 
    | 6BJ6A | Tung-Sol | p | 6BJ6.pdf (229112 bytes) | 
    | 6BJ6A | Sylvania | p | 6BJ6A.pdf (32892 bytes) | 
    | 6BJ7 | RCA (HB3) | ddd | 6BJ7.pdf (63395 bytes) | 
    | 6BJ7   | General Electric | ddd | 6BJ7.pdf (131059 bytes) | 
    | 6BJ7 | Tung-Sol | ddd | 6BJ7.pdf (72390 bytes) | 
    | 6BJ8 | RCA (HB3) | ddt | 6BJ8.pdf (261670 bytes) | 
    | 6BJ8 | Sylvania | ddt | 6BJ8.pdf (168365 bytes) | 
    | 6BJ8 | Tung-Sol | ddt | 6BJ8.pdf (99078 bytes) | 
    | 6BJ8 | Sylvania | ddt | 6BJ8.pdf (460996 bytes) | 
    | 6BJ8 | RCA (RC30) | ddt | 6BH11.pdf (267732 bytes) | 
    | 6BK11 | RMA/EIA | ttt | 6BK11.pdf (157019 bytes) | 
    | 6BK4 | Tung-Sol | T | 6BK4.pdf (111227 bytes) | 
    | 6BK4 | Sylvania | T | 6BK4.pdf (203171 bytes) | 
    | 6BK4A | RCA (HB3) | T | 6BK4A.pdf (209427 bytes) | 
    | 6BK4A | Tung-Sol | T | 6BK4A.pdf (114368 bytes) | 
    | 6BK4B | Mazda-Belvu | T | 6BK4B.pdf (257606 bytes) (fr) | 
    | 6BK4B | RCA (HB3) | T | 6BK4B.pdf (159534 bytes) | 
    | 6BK4B | Tung-Sol | T | 6BK4B.pdf (125807 bytes) | 
    | 6BK4C   | Sylvania | T | 6BK4C.pdf (124408 bytes) | 
    | 6BK4C   | RCA (RC30) | T | 6BH11.pdf (267732 bytes) | 
    | 6BK5 | General Electric | P | 6BK5.pdf (314625 bytes) | 
    | 6BK5 | Tung-Sol | P | 6BK5.pdf (205978 bytes) | 
    | 6BK6 | Tung-Sol | ddt | 6BK6.pdf (182497 bytes) | 
    | 6BK6 | Sylvania | ddt | 6BK6.pdf (34402 bytes) | 
    | 6BK7 | Sylvania | tt | 6BK7.pdf (333054 bytes) | 
    | 6BK7A | RCA (HB3) | tt | 6BK7A.pdf (70092 bytes) | 
    | 6BK7A | Tung-Sol | tt | 6BK7A.pdf (169917 bytes) | 
    | 6BK7B | RCA (HB3) | tt | 6BK7B.pdf (191594 bytes) | 
    | 6BK7B | General Electric | tt | 6BK7B.pdf (419609 bytes) | 
    | 6BK7B | Tung-Sol | tt | 6BK7A.pdf (169917 bytes) | 
    | 6BK7B | RCA (RC30) | tt | 6BK7B.pdf (267906 bytes) | 
    | 6BK8 | AWV | p | 6BK8.pdf (54631 bytes) | 
    | 6BL4 | RCA (HB3) | R | 6BL4.pdf (73507 bytes) | 
    | 6BL4 | Sylvania | R | 6BL4.pdf (154221 bytes) | 
    | 6BL6 | Sylvania | KLY | 6BL6.pdf (355991 bytes) | 
    | 6BL7GT | RCA (HB3) | tt | 6BL7GT.pdf (142865 bytes) | 
    | 6BL7GT | Tung-Sol | tt | 6BL7GT.pdf (160653 bytes) | 
    | 6BL7GTA | RCA (HB3) | tt | 6BL7GTA.pdf (152501 bytes) | 
    | 6BL7GTA   | General Electric | tt | 6BL7GTA.pdf (339932 bytes) | 
    | 6BL7GTA   | Tung-Sol | tt | 6BL7GTA.pdf (209556 bytes) | 
    | 6BL7GTA | RCA (RC30) | tt | 6BK7B.pdf (267906 bytes) | 
    | 6BL8 | RCA (HB3) | tp | 6BL8.pdf (80705 bytes) | 
    | 6BL8 | Tung-Sol | tp | 6BL8.pdf (249344 bytes) | 
    | 6BL8 | RCA (RC30) | tp | 6BK7B.pdf (267906 bytes) | 
    | 6BM5 | Mazda-Belvu | P | 6BM5.pdf (408583 bytes) (fr) | 
    | 6BM6 | Sylvania | KLY | 6BM6.pdf (336621 bytes) | 
    | 6BM6A | Sylvania | KLY | 6BM6A.pdf (367621 bytes) | 
    | 6BM8   | RCA (HB3) | tP | 6BM8.pdf (71067 bytes) | 
    | 6BM8 | Tung-Sol | tP | 6BM8.pdf (128965 bytes) | 
    | 6BM8 | Svetlana | tP | 6BM8.pdf (123198 bytes) | 
    | 6BM8   | RCA (RC30) | tP | 6BK7B.pdf (267906 bytes) | 
    | 6BN11 | General Electric | pp | 6BN11.pdf (473964 bytes) | 
    | 6BN11 | RCA (RC30) | pp | 6BN11.pdf (549900 bytes) | 
    | 6BN4 | General Electric | t | 6BN4.pdf (351408 bytes) | 
    | 6BN4 | Tung-Sol | t | 6BN4.pdf (73054 bytes) | 
    | 6BN4A   | RCA (HB3) | t | 6BN4A.pdf (169180 bytes) | 
    | 6BN4A | Tung-Sol | t | 6BN4.pdf (73054 bytes) | 
    | 6BN4A   | RCA (RC30) | t | 6BK7B.pdf (267906 bytes) | 
    | 6BN5 | Philips | P | 6BN5.pdf (401207 bytes) | 
    | 6BN6     | RCA (HB3) | p | 6BN6.pdf (350849 bytes) | 
    | 6BN6 | General Electric | p | 6BN6.pdf (506336 bytes) | 
    | 6BN6 | Tung-Sol | p | 6BN6.pdf (119724 bytes) | 
    | 6BN6     | RCA (RC30) | p | 6BK7B.pdf (267906 bytes) | 
    | 6BN7 | Tung-Sol | tt | 6BN7.pdf (155345 bytes) | 
    | 6BN7 | Tung-Sol | tt | 6BN7.pdf (80715 bytes) | 
    | 6BN8 | RCA (HB3) | ddt | 6BN8.pdf (206594 bytes) | 
    | 6BN8   | Sylvania | ddt | 6BN8.pdf (182530 bytes) | 
    | 6BN8 | Tung-Sol | ddt | 6BN8.pdf (86623 bytes) | 
    | 6BN8   | Sylvania | ddt | 6BN8.pdf (445667 bytes) | 
    | 6BN8 | RCA (RC30) | ddt | 6BN8.pdf (67785 bytes) | 
    | 6BQ5 (= EL84) | Mazda-Belvu | P | EL84.pdf (766772 bytes) (fr) | 
    | 6BQ5   | RCA (HB3) | P | 6BQ5.pdf (173703 bytes) | 
    | 6BQ5   | General Electric | P | 6BQ5.pdf (667997 bytes) | 
    | 6BQ5 | Tung-Sol | P | 6BQ5.pdf (660539 bytes) | 
    | 6BQ5   | RCA (RC30) | P | 6BN11.pdf (549900 bytes) | 
    | 6BQ6G | Sylvania | P | 6BQ6G.pdf (137659 bytes) | 
    | 6BQ6GA | General Electric | P | 6BQ6GA.pdf (354207 bytes) | 
    | 6BQ6GT | Tung-Sol | P | 6BQ6GT.pdf (148244 bytes) | 
    | 6BQ6GT | Sylvania | P | 6BQ6GT.pdf (398528 bytes) | 
    | 6BQ6GTB | RCA (HB3) | P | 6BQ6GTB.pdf (152446 bytes) | 
    | 6BQ6GTB | General Electric | P | 6BQ6GTB.pdf (326868 bytes) | 
    | 6BQ6GTB | Tung-Sol | P | 6BQ6GTB.pdf (139227 bytes) | 
    | 6BQ6GTB | RCA (RC30) | P | 6BN11.pdf (549900 bytes) | 
    | 6BQ7 | Tung-Sol | tt | 6BQ7.pdf (70443 bytes) | 
    | 6BQ7A | Mazda-Belvu | tt | 6BQ7A.pdf (112686 bytes) (fr) | 
    | 6BQ7A         | RCA (HB3) | tt | 6BQ7A.pdf (162953 bytes) | 
    | 6BQ7A   | General Electric | tt | 6BQ7A.pdf (561328 bytes) | 
    | 6BQ7A | Tung-Sol | tt | 6BQ7A.pdf (261499 bytes) | 
    | 6BQ7A | Brimar | tt | 6BQ7A.pdf (99533 bytes) | 
    | 6BQ7A         | RCA (RC30) | tt | 6BN11.pdf (549900 bytes) | 
    | 6BR3 | RCA (RC30) | R | 6BN11.pdf (549900 bytes) | 
    | 6BR3 | Toshiba | R | 6BR3.pdf (90838 bytes) | 
    | 6BR5 | Rogers | ti | 6BR5.pdf (84662 bytes) | 
    | 6BR7 | Brimar | p | 6BR7.pdf (115304 bytes) | 
    | 6BR7 | Brimar | p | 6BR7.pdf (127184 bytes) | 
    | 6BR7 | Brimar | p | 6BR7.pdf (3526396 bytes) | 
    | 6BR8 | General Electric | tp | 6BR8.pdf (605346 bytes) | 
    | 6BR8A | RCA (HB3) | tp | 6BR8A.pdf (79972 bytes) | 
    | 6BR8A | Tung-Sol | tp | 6BR8A.pdf (82840 bytes) | 
    | 6BR8A | RCA (RC30) | tp | 6BN11.pdf (549900 bytes) | 
    | 6BS3 | RCA (HB3) | R | 6BS3.pdf (77215 bytes) | 
    | 6BS3A | RCA (HB3) | R | 6BS3A.pdf (59452 bytes) | 
    | 6BS3A | RCA (RC30) | R | 6BN11.pdf (549900 bytes) | 
    | 6BS5 | AteliersBelvu | P~ | 6BS5.pdf (951757 bytes) | 
    | 6BS7 | Brimar | p | 6BS7.pdf (1640107 bytes) | 
    | 6BS7 | Brimar | p | 6BS7.pdf (94327 bytes) | 
    | 6BS7 | Brimar | p | 6BS7.pdf (3087049 bytes) | 
    | 6BS8 | General Electric | tt | 6BS8.pdf (519065 bytes) | 
    | 6BS8 | Tung-Sol | tt | 6BS8.pdf (66963 bytes) | 
    | 6BS8 | RCA (RC30) | tt | 6BN11.pdf (549900 bytes) | 
    | 6BT4 | Philips | rr | 6BT4.pdf (73057 bytes) | 
    | 6BT6 | Tung-Sol | ddt | 6BT6.pdf (124036 bytes) | 
    | 6BT6 | Sylvania | ddt | 6BT6.pdf (33614 bytes) | 
    | 6BT8 | Sylvania | ddp | 6BT8.pdf (70409 bytes) | 
    | 6BU4 | CBS-Hytron |  | 6BU4.pdf (134071 bytes) | 
    | 6BU5 | Tung-Sol | P | 6BU5.pdf (211218 bytes) | 
    | 6BU6 | Tung-Sol | ddt | 6BU6.pdf (155222 bytes) | 
    | 6BU6 | Sylvania | ddt | 6BU6.pdf (34972 bytes) | 
    | 6BU8 | RCA (HB3) | pp | 6BU8.pdf (326595 bytes) | 
    | 6BU8 | General Electric | pp | 6BU8.pdf (925412 bytes) | 
    | 6BU8 | Tung-Sol | pp | 6BU8.pdf (488590 bytes) | 
    | 6BU8 | RCA (RC30) | pp | 6BN11.pdf (549900 bytes) | 
    | 6BU8A | CanadianGeneralElectric |  | 3BU8A.pdf (110289 bytes) | 
    | 6BV11 | Sylvania | pp | 6BV11.pdf (128055 bytes) | 
    | 6BV11 | General Electric | pp | 6BV11.pdf (445882 bytes) | 
    | 6BV11 | RCA (RC30) | pp | 6BN11.pdf (549900 bytes) | 
    | 6BV7 | AWV | ddP | 6BV7.pdf (135640 bytes) | 
    | 6BV7 | AWV | ddP | 6BV7_AWV.pdf (239006 bytes) | 
    | 6BV7 | AWV | ddP | 6BV7.pdf (67542 bytes) | 
    | 6BV8 | General Electric | ddt | 6BV8.pdf (422014 bytes) | 
    | 6BV8 | Tung-Sol | ddt | 6BV8.pdf (243767 bytes) | 
    | 6BW11 | General Electric | pp | 6BW11.pdf (658206 bytes) | 
    | 6BW11 | RCA (RC30) | pp | 6BN11.pdf (549900 bytes) | 
    | 6BW3 | General Electric | R | 6BW3.pdf (193273 bytes) | 
    | 6BW3 | RCA (RC30) | R | 6BY6.pdf (790979 bytes) | 
    | 6BW4 | Sylvania | rr | 6BW4.pdf (123126 bytes) | 
    | 6BW4 | Tung-Sol | rr | 6BW4.pdf (123045 bytes) | 
    | 6BW4 | Sylvania | rr | 6BW4.pdf (373071 bytes) | 
    | 6BW6   | Brimar | P | 6BW6.pdf (156968 bytes) | 
    | 6BW6   | Brimar | P | 6BW6.pdf (65160 bytes) | 
    | 6BW6   | Brimar | P | 6BW6.pdf (2962173 bytes) | 
    | 6BW7 | Brimar | p | 6BW7.pdf (104549 bytes) | 
    | 6BW8   | RCA (HB3) | ddp | 6BW8.pdf (79371 bytes) | 
    | 6BW8 | General Electric | ddp | 6BW8.pdf (596121 bytes) | 
    | 6BW8   | Tung-Sol | ddp | 6BW8.pdf (246445 bytes) | 
    | 6BX4 | Mazda-Belvu | rr | 6BX4.pdf (68439 bytes) (fr) | 
    | 6BX4 | AteliersBelvu | rr | 6BX4.pdf (95296 bytes) | 
    | 6BX6 (= EF80) | Mazda-Belvu | p | EF80.pdf (401856 bytes) (fr) | 
    | 6BX6 (= EF80) | RFT | p | EF80.pdf (102552 bytes) (de) | 
    | 6BX6 (= EF80) | Brimar | p | EF80.pdf (35099 bytes) | 
    | 6BX6 | Philips | p | 6BX6.pdf (163000 bytes) | 
    | 6BX7GT | General Electric | tT | 6BX7GT.pdf (335258 bytes) | 
    | 6BX7GT | Tung-Sol | tT | 6BX7GT.pdf (76311 bytes) | 
    | 6BX8 | Tung-Sol | tt | 6BX8.pdf (81378 bytes) | 
    | 6BY11 | Sylvania | pP | 6BY11.pdf (112268 bytes) | 
    | 6BY4 | GE |  | 6BY4.pdf (119900 bytes) | 
    | 6BY5G | Tung-Sol | rr | 6BY5G.pdf (47149 bytes) | 
    | 6BY5GA | RCA (HB3) | rr | 6BY5GA.pdf (66391 bytes) | 
    | 6BY6 | RCA (HB3) | H | 6BY6.pdf (284543 bytes) | 
    | 6BY6 | General Electric | H | 6BY6.pdf (611130 bytes) | 
    | 6BY6 | Tung-Sol | H | 6BY6.pdf (249600 bytes) | 
    | 6BY6 | RCA (RC30) | H | 6BY6.pdf (790979 bytes) | 
    | 6BY7 (= EF85) | Mazda-Belvu | p | EF85.pdf (365024 bytes) (fr) | 
    | 6BY7 | Philips | p | 6BY7.pdf (237616 bytes) | 
    | 6BY8 | RCA (HB3) | dp | 6BY8.pdf (131924 bytes) | 
    | 6BY8 | Tung-Sol | dp | 6BY8.pdf (84542 bytes) | 
    | 6BY8   | Sylvania | dp | 6BY8.pdf (790013 bytes) | 
    | 6BY8 | RCA (RC30) | dp | 6BY6.pdf (790979 bytes) | 
    | 6BZ3   | General Electric | R | 6BZ3.pdf (197077 bytes) | 
    | 6BZ3 | RCA (RC30) | R | 6BC4.pdf (510539 bytes) | 
    | 6BZ6   | RCA (HB3) | p | 6BZ6.pdf (263083 bytes) | 
    | 6BZ6     | General Electric | p | 6BZ6.pdf (559425 bytes) | 
    | 6BZ6 | Tung-Sol | p | 6BZ6.pdf (260156 bytes) | 
    | 6BZ6   | RCA (RC30) | p | 6BY6.pdf (790979 bytes) | 
    | 6BZ7 | RCA (HB3) | tt | 6BZ7.pdf (123633 bytes) | 
    | 6BZ7   | General Electric | tt | 6BZ7.pdf (578518 bytes) | 
    | 6BZ7 | Tung-Sol | tt | 6BZ7.pdf (64675 bytes) | 
    | 6BZ7 | RCA (RC30) | tt | 6BN11.pdf (549900 bytes) | 
    | 6BZ8 | Sylvania | tt | 6BZ8.pdf (70565 bytes) | 
    | 6BZ8 | Tung-Sol | tt | 6BZ8.pdf (69993 bytes) | 
    | 6BZ8 | RCA (RC30) | tt | 6BC4.pdf (510539 bytes) | 
    | 6C (= EL6C) | Electrons Inc | rr | EL6C.pdf (105716 bytes) | 
    | 6C-A10 | Matsushita | T | 50C-A10.pdf (188181 bytes) (jp) | 
    | 6C10 | Tung-Sol | ttt | 6C10.pdf (77379 bytes) | 
    | 6C10 | GE | ttt | 6C10.pdf (117486 bytes) | 
    | 6C10P 6  10   | Soviet | R | 6C10P.pdf (146515 bytes) | 
    | 6C10 | Mazda | th | 6C10.pdf (82459 bytes) | 
    | 6C13P 6  13   | Soviet | r | 6C13P.pdf (110364 bytes) | 
    | 6C17S 6  17   | Soviet | R | 6C17S.pdf (62250 bytes) | 
    | 6C19P 6  19   | Soviet | R | 6C19P.pdf (152710 bytes) | 
    | 6C21 | Eimac | T~ | 6C21.pdf (990221 bytes) | 
    | 6C23 | FTR |  | 6C23.pdf (60124 bytes) | 
    | 6C24 | RCA (HB3) | T~ | 6C24.pdf (508600 bytes) | 
    | 6C24 | RCA | T~ | 6C24.pdf (508973 bytes) | 
    | 6C31 | Mazda | th | 6C31.pdf (417729 bytes) | 
    | 6C4 (= EC90) | Philips | t | EC90.pdf (138825 bytes) | 
    | 6C4 | RCA (HB3) | t | 6C4.pdf (213770 bytes) | 
    | 6C4 | General Electric | t | 6C4.pdf (370609 bytes) | 
    | 6C4 | Tung-Sol | t | 6C4.pdf (188330 bytes) | 
    | 6C4 | Brimar | t | 6C4.pdf (46301 bytes) | 
    | 6C4 | RCA (RC30) | t | 6BY6.pdf (790979 bytes) | 
    | 6C4 (= 6100) | JEDEC | t | 6100.pdf (67695 bytes) | 
    | 6C4PEV 6  4     | Soviet | rr | 6C4PEV.pdf (105719 bytes) | 
    | 6C4P 6  4   | Soviet | rr | 6C4P.pdf (68137 bytes) | 
    | 6C4W | Raytheon | t | 6C4W.pdf (476691 bytes) | 
    | 6C4WA (= CK6100) | Raytheon | t | 6100.pdf (708402 bytes) | 
    | 6C5 | RCA | t | 6C5.pdf (41756 bytes) | 
    | 6C5 | RCA | t | 6C5.pdf (49175 bytes) | 
    | 6C5 | Sylvania | t | 6C5.pdf (61155 bytes) (fr) | 
    | 6C5 | Tung-Sol | t | 6C5.pdf (109606 bytes) | 
    | 6C5G | Sylvania | t | 6C5.pdf (61155 bytes) (fr) | 
    | 6C5G | Tung-Sol | t | 6C5.pdf (109606 bytes) | 
    | 6C5G | Brimar | t | 6C5G.pdf (66106 bytes) | 
    | 6C5GT | Tung-Sol | t | 6C5.pdf (109606 bytes) | 
    | 6C5P | Shuguang | q | 6C5P.pdf (120449 bytes) (zh) | 
    | 6C5S 6  5   | Soviet | rr | 6C5S.pdf (63997 bytes) | 
    | 6C6 | RCA | p | 6C6.pdf (48399 bytes) | 
    | 6C6   | Sylvania | p | 6C6.pdf (86484 bytes) (fr) | 
    | 6C6 | Tung-Sol | p | 6C6.pdf (145893 bytes) | 
    | 6C6   | Brimar | p | 6C5G.pdf (66106 bytes) | 
    | 6C7 | RCA (HB3) | ddt | 6C7.pdf (31890 bytes) | 
    | 6C7 | Tung-Sol | ddt | 6C7.pdf (33288 bytes) | 
    | 6C8G   | RCA (HB3) | tt | 6C8G.pdf (91925 bytes) | 
    | 6C8G | Sylvania | tt | 6C8G.pdf (66222 bytes) (fr) | 
    | 6C8G   | Tung-Sol | tt | 6C8G.pdf (114485 bytes) | 
    | 6C8G | Ken-Rad | tt | 6C8G.pdf (31760 bytes) | 
    | 6C8P | Shuguang | t | 6C8P.pdf (108686 bytes) (zh) | 
    | 6C9 | Sylvania | qq | 6C9.pdf (117274 bytes) | 
    | 6C9   | RCA (RC30) | qq | 6BY6.pdf (790979 bytes) | 
    | 6C9     | Mazda | tH | 6C9.pdf (96973 bytes) | 
    | 6CA11 | General Electric | ttp | 6CA11.pdf (741414 bytes) | 
    | 6CA4 (= EZ81) | Mazda-Belvu | rr | EZ81.pdf (608378 bytes) (fr) | 
    | 6CA4 | RCA (HB3) | rr | 6CA4.pdf (100420 bytes) | 
    | 6CA4   | General Electric | rr | 6CA4.pdf (513540 bytes) | 
    | 6CA4 | Tung-Sol | rr | 6CA4.pdf (283397 bytes) | 
    | 6CA4 | RCA (RC30) | rr | 6BY6.pdf (790979 bytes) | 
    | 6CA5 | RCA (HB3) | P | 6CA5.pdf (66888 bytes) | 
    | 6CA5 | General Electric | P | 6CA5.pdf (407734 bytes) | 
    | 6CA5 | Sylvania | P | 6CA5.pdf (575908 bytes) | 
    | 6CA5 | RCA (RC30) | P | 6BY6.pdf (790979 bytes) | 
    | 6CA7 | Tung-Sol | P | 6CA7.pdf (542314 bytes) | 
    | 6CA7 (= EL34) | Svetlana | P | EL34.pdf (47964 bytes) | 
    | 6CA7 | RCA (RC30) | P | 6BY6.pdf (790979 bytes) | 
    | 6CB5 | RCA (HB3) | P | 6CB5.pdf (240141 bytes) | 
    | 6CB5 | Tung-Sol | P | 6CB5.pdf (146644 bytes) | 
    | 6CB5 | Sylvania | P | 6CB5.pdf (293617 bytes) | 
    | 6CB5A | RCA (HB3) | P | 6CB5A.pdf (260224 bytes) | 
    | 6CB5A | Tung-Sol | P | 6CB5A.pdf (121035 bytes) | 
    | 6CB5A | Sylvania | P | 6CB5.pdf (293617 bytes) | 
    | 6CB5A | RCA (RC30) | P | 6BY6.pdf (790979 bytes) | 
    | 6CB6 | Mazda-Belvu | p | 6CB6.pdf (471422 bytes) (fr) | 
    | 6CB6 | RCA (HB3) | p | 6CB6.pdf (217353 bytes) | 
    | 6CB6 | Tung-Sol | p | 6CB6.pdf (131985 bytes) | 
    | 6CB6 | Mullard | p | 6CB6.pdf (38950 bytes) | 
    | 6CB6A  (= 6676) | RCA (HB3) | p | 6676.pdf (93491 bytes) | 
    | 6CB6A   | RCA (HB3) | p | 6CB6A.pdf (193517 bytes) | 
    | 6CB6A | General Electric | p | 6CB6A.pdf (439688 bytes) | 
    | 6CB6A | Tung-Sol | p | 6CB6.pdf (131985 bytes) | 
    | 6CB6A   | RCA (RC30) | p | 6BY6.pdf (790979 bytes) | 
    | 6CC10 | Tesla | tt | 6CC10.pdf (700653 bytes) (cs) | 
    | 6CC31   | Tesla | tt | 6CC31.pdf (425619 bytes) (cs) | 
    | 6CC41 | Tesla | tt | 6CC41.pdf (814677 bytes) (cs) | 
    | 6CC42 | Tesla | tt | 6CC42.pdf (1103347 bytes) (cs) | 
    | 6CD3 | Tung-Sol | R | 6CD3.pdf (76722 bytes) | 
    | 6CD3 | RCA (RC30) | R | 6BY6.pdf (790979 bytes) | 
    | 6CD6G | Tung-Sol | P | 6CD6G.pdf (137718 bytes) | 
    | 6CD6G | Sylvania | P | 6CD6G.pdf (303416 bytes) | 
    | 6CD6G | Brimar | P | 6CD6G.pdf (100817 bytes) | 
    | 6CD6G | Brimar | P | 6CD6G.pdf (1366546 bytes) | 
    | 6CD6GA     | RCA (HB3) | P | 6CD6GA.pdf (226179 bytes) | 
    | 6CD6GA       | General Electric | P | 6CD6GA.pdf (417930 bytes) | 
    | 6CD6GA | Tung-Sol | P | 6CD6GA.pdf (79759 bytes) | 
    | 6CD6GA     | RCA (RC30) | P | 6BY6.pdf (790979 bytes) | 
    | 6CD7 | Rogers | tii | 6CD7.pdf (174332 bytes) | 
    | 6CE3 | RCA (HB3) | R | 6CE3.pdf (75703 bytes) | 
    | 6CE3 | RCA (RC30) | R | 6BY6.pdf (790979 bytes) | 
    | 6CE5 | General Electric | p | 6CE5.pdf (464866 bytes) | 
    | 6CE5 | Tung-Sol | p | 6CE5.pdf (293155 bytes) | 
    | 6CE5 | RCA (RC30) | p | 6BC4.pdf (510539 bytes) | 
    | 6CF6   | General Electric | p | 6CF6.pdf (494418 bytes) | 
    | 6CF6 | Tung-Sol | p | 6CF6.pdf (175806 bytes) | 
    | 6CF6   | RCA (RC30) | p | 6BY6.pdf (790979 bytes) | 
    | 6CF8 (= EF86) | Mazda-Belvu | p | EF86.pdf (640469 bytes) (fr) | 
    | 6CG3 | RCA (HB3) | R | 6CG3.pdf (73834 bytes) | 
    | 6CG3   | General Electric | R | 6CG3.pdf (202573 bytes) | 
    | 6CG3 | RCA (RC30) | R | 6BY6.pdf (790979 bytes) | 
    | 6CG6 | Sylvania | p | 6CG6.pdf (37773 bytes) | 
    | 6CG7       | General Electric | tt | 6CG7.pdf (470844 bytes) | 
    | 6CG7 | Tung-Sol | tt | 6CG7.pdf (171161 bytes) | 
    | 6CG7   | RCA (RC30) | tt | 6FQ7.pdf (132542 bytes) | 
    | 6CG8 | Sylvania | tp | 6CG8.pdf (165774 bytes) | 
    | 6CG8A | RCA (HB3) | tp | 6CG8A.pdf (88516 bytes) | 
    | 6CG8A | Sylvania | tp | 6CG8.pdf (165774 bytes) | 
    | 6CG8A | Tung-Sol | tp | 6CG8A.pdf (286936 bytes) | 
    | 6CG8A | General Electric | tp | 6CG8A.pdf (572895 bytes) | 
    | 6CG8A | RCA (RC30) | tp | 6CG8A.pdf (207258 bytes) | 
    | 6CH3 | RCA (RC30) | R | 6CG8A.pdf (207258 bytes) | 
    | 6CH6   | Brimar | P | 6CH6.pdf (100639 bytes) | 
    | 6CH6   | Brimar | P | 6CH6.pdf (3362334 bytes) | 
    | 6CH6 | STC/Brimar | P | 6CH6.pdf (142436 bytes) | 
    | 6CH7 | Tung-Sol | tt | 6CH7.pdf (74102 bytes) | 
    | 6CH8 | Sylvania | tp | 6CH8.pdf (141938 bytes) | 
    | 6CH8 | Tung-Sol | tp | 6CH8.pdf (239929 bytes) | 
    | 6CJ3 | RCA (HB3) | R | 6CJ3.pdf (72090 bytes) | 
    | 6CJ3 | General Electric | R | 6CJ3.pdf (186708 bytes) | 
    | 6CJ3 | RCA (RC30) | R | 6CG8A.pdf (207258 bytes) | 
    | 6CJ5 | Philips | p | 6CJ5.pdf (110044 bytes) | 
    | 6CJ6 | Philips | P | 6CJ6.pdf (380359 bytes) | 
    | 6CK3     | RCA (HB3) | R | 6CK3.pdf (87430 bytes) | 
    | 6CK3     | RCA (RC30) | R | 6CG8A.pdf (207258 bytes) | 
    | 6CK4 | RCA (HB3) | T | 6CK4.pdf (71140 bytes) | 
    | 6CK4   | General Electric | T | 6CK4.pdf (366830 bytes) | 
    | 6CK4 | Tung-Sol | T | 6CK4.pdf (73404 bytes) | 
    | 6CK5 | Philips | P | 6CK5.pdf (90306 bytes) | 
    | 6CK6 (= EL83) | Mazda-Belvu | P | EL83.pdf (373486 bytes) (fr) | 
    | 6CK6 | Philips | P | 6CK6.pdf (217753 bytes) | 
    | 6CL3 | RCA (HB3) | R | 6CL3.pdf (59676 bytes) | 
    | 6CL3 | RCA (RC30) | R | 6CG8A.pdf (207258 bytes) | 
    | 6CL6   | RCA (HB3) | P | 6CL6.pdf (384250 bytes) | 
    | 6CL6       | General Electric | P | 6CL6.pdf (473387 bytes) | 
    | 6CL6 | Tung-Sol | P | 6CL6.pdf (293966 bytes) | 
    | 6CL6 | CSF | P | 6CL6.pdf (7322491 bytes) (fr) | 
    | 6CL6   | RCA (RC30) | P | 6CG8A.pdf (207258 bytes) | 
    | 6CL8 | RCA (HB3) | tq | 6CL8.pdf (106225 bytes) | 
    | 6CL8 | General Electric | tq | 6CL8.pdf (635269 bytes) | 
    | 6CL8A | RCA (HB3) | tq | 6CL8A.pdf (107862 bytes) | 
    | 6CL8A | General Electric | tq | 6CL8A.pdf (715251 bytes) | 
    | 6CL8A | Tung-Sol | tq | 6CL8A.pdf (162464 bytes) | 
    | 6CL8A | RCA (RC30) | tq | 6CL8A.pdf (210597 bytes) | 
    | 6CM3 | RCA (HB3) | R | 6CM3.pdf (53011 bytes) | 
    | 6CM3 | RCA (RC30) | R | 6CL8A.pdf (210597 bytes) | 
    | 6CM4 | Telefunken | t | 6CM4.pdf (55636 bytes) | 
    | 6CM5 | Rogers | P | 6CM5.pdf (340243 bytes) | 
    | 6CM6     | RCA (HB3) | P | 6CM6.pdf (133983 bytes) | 
    | 6CM6 | Tung-Sol | P | 6CM6.pdf (91075 bytes) | 
    | 6CM6 | Sylvania | P | 6CM6.pdf (714097 bytes) | 
    | 6CM7   | RCA (HB3) | tT | 6CM7.pdf (672598 bytes) | 
    | 6CM7   | General Electric | tT | 6CM7.pdf (461409 bytes) | 
    | 6CM7 | Tung-Sol | tT | 6CM7.pdf (255920 bytes) | 
    | 6CM7   | RCA (RC30) | tT | 6CL8A.pdf (210597 bytes) | 
    | 6CM8 | Sylvania | tp | 6CM8.pdf (148759 bytes) | 
    | 6CM8 | Tung-Sol | tp | 6CM8.pdf (109838 bytes) | 
    | 6CM8 | Sylvania | tp | 6CM8.pdf (1054175 bytes) | 
    | 6CN6 | Mullard | P | 6CN6.pdf (42033 bytes) | 
    | 6CN7 | RCA (HB3) | ddt | 6CN7.pdf (157160 bytes) | 
    | 6CN7   | General Electric | ddt | 6CN7.pdf (454273 bytes) | 
    | 6CN7 | Tung-Sol | ddt | 6CN7.pdf (248503 bytes) | 
    | 6CN7 | RCA (RC30) | ddt | 6CL8A.pdf (210597 bytes) | 
    | 6CQ4 | RCA (HB3) | R | 6CQ4.pdf (58399 bytes) | 
    | 6CQ4 | Tung-Sol | R | 6CQ4.pdf (77927 bytes) | 
    | 6CQ4 | RCA (RC30) | R | 6DE4.pdf (380118 bytes) | 
    | 6CQ6 (= EF92) | La Radiotechnique | p | EF92.pdf (36389 bytes) (fr) | 
    | 6CQ6S | CSF | p | 6CQ6S.pdf (4585910 bytes) (fr) | 
    | 6CQ8 | RCA (HB3) | tq | 6CQ8.pdf (294592 bytes) | 
    | 6CQ8     | General Electric | tq | 6CQ8.pdf (560414 bytes) | 
    | 6CQ8 | Tung-Sol | tq | 6CQ8.pdf (231090 bytes) | 
    | 6CQ8 | RCA (RC30) | tq | 6CQ8.pdf (65118 bytes) | 
    | 6CR4 | MOValve | t~ | 6CR4.pdf (230972 bytes) | 
    | 6CR5 | CanadianWestinghouse | P | 6CR5.pdf (179265 bytes) | 
    | 6CR6   | Sylvania | dp | 6CR6.pdf (110263 bytes) | 
    | 6CR6 | Tung-Sol | dp | 6CR6.pdf (107464 bytes) | 
    | 6CR6   | Sylvania | dp | 6CR6.pdf (292564 bytes) | 
    | 6CS5 | Tung-Sol | P | 6CS5.pdf (144162 bytes) | 
    | 6CS6   | RCA (HB3) | H | 6CS6.pdf (191423 bytes) | 
    | 6CS6 | General Electric | H | 6CS6.pdf (347262 bytes) | 
    | 6CS6 | Tung-Sol | H | 6CS6.pdf (289077 bytes) | 
    | 6CS6   | RCA (RC30) | H | 6CS6.pdf (457275 bytes) | 
    | 6CS7 | RCA (HB3) | tT | 6CS7.pdf (110172 bytes) | 
    | 6CS7 | Sylvania | tT | 6CS7.pdf (160016 bytes) | 
    | 6CS7 | Tung-Sol | tT | 6CS7.pdf (82040 bytes) | 
    | 6CS7 | Sylvania | tT | 6CS7.pdf (628395 bytes) | 
    | 6CS7 | RCA (RC30) | tT | 6CS6.pdf (457275 bytes) | 
    | 6CS8 | Tung-Sol | tp | 6CS8.pdf (118127 bytes) | 
    | 6CT3 | RCA (HB3) | R | 6CT3.pdf (82290 bytes) | 
    | 6CT7 | Philips | dp | 6CT7.pdf (128037 bytes) | 
    | 6CU5 | RCA (HB3) | P | 6CU5.pdf (185820 bytes) | 
    | 6CU5 | General Electric | P | 6CU5.pdf (316552 bytes) | 
    | 6CU5 | Tung-Sol | P | 6CU5.pdf (130605 bytes) | 
    | 6CU5 | RCA (RC30) | P | 6CS6.pdf (457275 bytes) | 
    | 6CU6 (= 6BQ6GTB) | RCA (HB3) | P | 6BQ6GTB.pdf (152446 bytes) | 
    | 6CU6 | General Electric | P | 6CU6.pdf (345900 bytes) | 
    | 6CU6 | Tung-Sol | P | 6CU6.pdf (133987 bytes) | 
    | 6CU6 | RCA (RC30) | P | 6BN11.pdf (549900 bytes) | 
    | 6CU7 | Philips | th | 6CU7.pdf (207905 bytes) | 
    | 6CU8 | RCA (HB3) | tp | 6CU8.pdf (314399 bytes) | 
    | 6CU8 | Sylvania | tp | 6CU8.pdf (161847 bytes) | 
    | 6CU8 | Tung-Sol | tp | 6CU8.pdf (217699 bytes) | 
    | 6CV7 | Philips | ddt | 6CV7.pdf (118143 bytes) | 
    | 6CW4       | RCA (HB3) | t | 6CW4.pdf (258373 bytes) | 
    | 6CW4       | RCA (RC30) | t | 6CS6.pdf (457275 bytes) | 
    | 6CW5 | RCA (HB3) | P | 6CW5.pdf (75437 bytes) | 
    | 6CW5 | General Electric | P | 6CW5.pdf (320251 bytes) | 
    | 6CW5 | Tung-Sol | P | 6CW5.pdf (308317 bytes) | 
    | 6CW5 | RCA (RC30) | P | 6CS6.pdf (457275 bytes) | 
    | 6CW5 | Philips | P | 15CW5.pdf (209643 bytes) | 
    | 6CX7 | Tung-Sol | tt | 6CX7.pdf (69933 bytes) | 
    | 6CX7 | Sylvania | tt | 6CX7.pdf (458351 bytes) | 
    | 6CX8 | RCA (HB3) | tp | 6CX8.pdf (93913 bytes) | 
    | 6CX8 | General Electric | tp | 6CX8.pdf (840587 bytes) | 
    | 6CX8 | Tung-Sol | tp | 6CX8.pdf (384023 bytes) | 
    | 6CX8 | RCA (RC30) | tp | 6CS6.pdf (457275 bytes) | 
    | 6CY5   | RCA (HB3) | q | 6CY5.pdf (207390 bytes) | 
    | 6CY5  (= 7717) | RCA (HB3) | q | 7717.pdf (81038 bytes) | 
    | 6CY5 | General Electric | q | 6CY5.pdf (422613 bytes) | 
    | 6CY5 | Tung-Sol | q | 6CY5.pdf (77348 bytes) | 
    | 6CY5   | RCA (RC30) | q | 6CS6.pdf (457275 bytes) | 
    | 6CY5/CATV | LM Ericsson | q | 6CY5.pdf (1290742 bytes) | 
    | 6CY7 | RCA (HB3) | tT | 6CY7.pdf (94546 bytes) | 
    | 6CY7   | General Electric | tT | 6CY7.pdf (534232 bytes) | 
    | 6CY7 | Tung-Sol | tT | 6CY7.pdf (249350 bytes) | 
    | 6CY7 | RCA (RC30) | tT | 6CS6.pdf (457275 bytes) | 
    | 6CZ5     | RCA (HB3) | P | 6CZ5.pdf (218899 bytes) | 
    | 6CZ5 | Sylvania | P | 6CZ5.pdf (167569 bytes) | 
    | 6CZ5 | Tung-Sol | P | 6CZ5.pdf (95258 bytes) | 
    | 6CZ5 | Sylvania | P | 6CZ5.pdf (332132 bytes) | 
    | 6CZ5     | RCA (RC30) | P | 6CZ5.pdf (67273 bytes) | 
    | 6CZ5     | RCA (RC30) | P | 6CZ5.pdf (67273 bytes) | 
    | 6D1 | Mazda | d | 6D1.pdf (65939 bytes) | 
    | 6D10 | Sylvania | ttt | 6D10.pdf (41555 bytes) | 
    | 6D10 | Tung-Sol | ttt | 6D10.pdf (73413 bytes) | 
    | 6D14P 6  14   | Soviet | R | 6D14P.pdf (154836 bytes) | 
    | 6D2 | Mazda | dd | 6D2.pdf (60495 bytes) | 
    | 6D20P 6  20   | Soviet | R | 6D20P.pdf (188377 bytes) | 
    | 6D21 | Raytheon |  | 6D21.pdf (71434 bytes) | 
    | 6D22S | Svetlana | r | 6D22Sspec.pdf (36354 bytes) | 
    | 6D4 | Tung-Sol | THY | 6D4.pdf (220022 bytes) | 
    | 6D4     | Sylvania | THY | 6D4.pdf (189684 bytes) | 
    | 6D6 | RCA | p | 6D6.pdf (34724 bytes) | 
    | 6D6 | RCA (HB3) | p | 6D6.pdf (98542 bytes) | 
    | 6D6 | Sylvania | p | 6D6.pdf (85375 bytes) (fr) | 
    | 6D6 | Tung-Sol | p | 6D6.pdf (226852 bytes) | 
    | 6D6 | Brimar | p | 6C5G.pdf (66106 bytes) | 
    | 6D8G | Sylvania | H | 6D8G.pdf (72994 bytes) (fr) | 
    | 6D8G | Tung-Sol | H | 6D8G.pdf (86686 bytes) | 
    | 6D8G | Sylvania | H | 6D8G.pdf (40603 bytes) | 
    | 6DA4 | RCA (HB3) | R | 6DA4.pdf (71654 bytes) | 
    | 6DA4 | General Electric | R | 6DA4.pdf (174021 bytes) | 
    | 6DA4 | Tung-Sol | R | 6DA4.pdf (72045 bytes) | 
    | 6DA4 | RCA (RC30) | R | 6DE4.pdf (380118 bytes) | 
    | 6DA4A | Tung-Sol | R | 6DA4A.pdf (74898 bytes) | 
    | 6DA5 | Rogers | ti | 6DA5.pdf (84353 bytes) | 
    | 6DA6 (= EF89) | Brimar | p | EF89.pdf (51236 bytes) | 
    | 6DA6 | Philips | p | 6DA6.pdf (298694 bytes) | 
    | 6DA7 | Tung-Sol | tT | 6DA7.pdf (71464 bytes) | 
    | 6DB5 | RCA (HB3) | P | 6DB5.pdf (91875 bytes) | 
    | 6DB5 | Sylvania | P | 6DB5.pdf (83700 bytes) | 
    | 6DC6 | RCA (HB3) | p | 6DC6.pdf (223416 bytes) | 
    | 6DC6 | Sylvania | p | 6DC6.pdf (105346 bytes) | 
    | 6DC6 | Tung-Sol | p | 6DC6.pdf (86371 bytes) | 
    | 6DC6 | Sylvania | p | 6DC6.pdf (413205 bytes) | 
    | 6DC6 | RCA (RC30) | p | 6DC6.pdf (59825 bytes) | 
    | 6DC8 (= EBF89) | Mazda-Belvu | ddp | EBF89.pdf (494590 bytes) (fr) | 
    | 6DC8 | Rogers | ddp | 6DC8.pdf (249079 bytes) | 
    | 6DE4 | General Electric | R | 6DE4.pdf (180322 bytes) | 
    | 6DE4 | Tung-Sol | R | 6DE4.pdf (73768 bytes) | 
    | 6DE4 | RCA (RC30) | R | 6DE4.pdf (380118 bytes) | 
    | 6DE6 | RCA (HB3) | p | 6DE6.pdf (179608 bytes) |