| Electron tube Type | Brand | System | Data sheet | 
    | 7BHP2 | GE |  | 7BHP1.pdf (174846 bytes) | 
    | 7BHP7 | GE |  | 7BHP1.pdf (174846 bytes) | 
    | 7BJP1 | ElectronicTubeCorp |  | 7BJP1.pdf (148987 bytes) | 
    | 7BJP11 | ElectronicTubeCorp |  | 7BJP1.pdf (148987 bytes) | 
    | 7BJP2 | ElectronicTubeCorp |  | 7BJP1.pdf (148987 bytes) | 
    | 7BJP7 | ElectronicTubeCorp |  | 7BJP1.pdf (148987 bytes) | 
    | 7BKP1 | GE |  | 7BKP1.pdf (130385 bytes) | 
    | 7BKP19 | GE |  | 7BKP1.pdf (130385 bytes) | 
    | 7BKP2 | GE |  | 7BKP1.pdf (130385 bytes) | 
    | 7BKP25 | GE |  | 7BKP1.pdf (130385 bytes) | 
    | 7BKP7 | GE |  | 7BKP1.pdf (130385 bytes) | 
    | 7BLP7 | GE |  | 7BLP7.pdf (162582 bytes) | 
    | 7BMP1 | ElectronicTubeCorp |  | 7BMP1.pdf (138435 bytes) | 
    | 7BMP11 | ElectronicTubeCorp |  | 7BMP1.pdf (138435 bytes) | 
    | 7BMP19 | ElectronicTubeCorp |  | 7BMP1.pdf (138435 bytes) | 
    | 7BMP2 | ElectronicTubeCorp |  | 7BMP1.pdf (138435 bytes) | 
    | 7BMP7 | ElectronicTubeCorp |  | 7BMP1.pdf (138435 bytes) | 
    | 7BP1 | GE | CRO | 7BP1.pdf (69387 bytes) | 
    | 7BP2A | Sylvania | CRR | 7BP2A.pdf (174082 bytes) | 
    | 7BP7 | Du Mont | CRR | 7BP7.pdf (158942 bytes) | 
    | 7BP7A | RCA (HB3) | CRB | 7BP7A.pdf (89910 bytes) | 
    | 7BP7A | Sylvania | CRB | 7BP2A.pdf (174082 bytes) | 
    | 7BP7B | General Electric | CRO | 7BP7B.pdf (159032 bytes) | 
    | 7BRP1 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BRP11 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BRP14 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BRP2 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BRP4 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BRP7 | Dumont |  | 7BRP1.pdf (174110 bytes) | 
    | 7BSP2 | Dumont |  | 7BSP2.pdf (179762 bytes) | 
    | 7BSP7 | Dumont |  | 7BSP2.pdf (179762 bytes) | 
    | 7C23 | Central Electronics | T~ | 7C23.pdf (5233703 bytes) | 
    | 7C24 (= 5762) | RCA (HB3) | T~ | 5762.pdf (593515 bytes) | 
    | 7C25 | Central Electronics | T~ | 7C25.pdf (4989039 bytes) | 
    | 7C26 | FTR |  | 7C26.pdf (54098 bytes) | 
    | 7C27 | FTR |  | 7C27.pdf (113369 bytes) | 
    | 7C30 | FTR |  | 7C30.pdf (473442 bytes) | 
    | 7C5 | Sylvania | P | 7C5.pdf (208244 bytes) | 
    | 7C5     | Sylvania | P | 7C5.pdf (80268 bytes) (fr) | 
    | 7C5 | Tung-Sol | P | 7C5.pdf (178016 bytes) | 
    | 7C5 | Brimar | P | 7C5.pdf (45208 bytes) | 
    | 7C5 | Raytheon | P | 7C5.pdf (101353 bytes) | 
    | 7C5LT | RCA | P | 7C5-LT.pdf (44322 bytes) | 
    | 7C6 | Sylvania | ddt | 7C6.pdf (206645 bytes) | 
    | 7C6 | Sylvania | ddt | 7C6.pdf (67355 bytes) (fr) | 
    | 7C6 | Tung-Sol | ddt | 7C6.pdf (87389 bytes) | 
    | 7C6 | Brimar | ddt | 7C5.pdf (45208 bytes) | 
    | 7C7 | Sylvania | p | 7C7.pdf (165921 bytes) | 
    | 7C7   | Sylvania | p | 7C7.pdf (47860 bytes) (fr) | 
    | 7C7 | Tung-Sol | p | 7C7.pdf (160183 bytes) | 
    | 7CP1 | RCA (HB3) | CRO | 7CP1.pdf (148364 bytes) | 
    | 7CP18 | Lansdale/Philco |  | 7CP18.pdf (277069 bytes) | 
    | 7CP4 | RCA |  | 7CP4.pdf (121619 bytes) | 
    | 7CP7 | GE |  | 7CP7.pdf (74686 bytes) | 
    | 7D10 | Brimar | P | 6CH6.pdf (100639 bytes) | 
    | 7D3 | Brimar | P | 7D3.pdf (39476 bytes) | 
    | 7D3 | Brimar | P | 7D3.pdf (318282 bytes) | 
    | 7D5 | Brimar | P | 7D3.pdf (39476 bytes) | 
    | 7D6 | Brimar | P | 7D3.pdf (39476 bytes) | 
    | 7D6 | Brimar | P | 7A3.pdf (376018 bytes) | 
    | 7D7 | Sylvania | tH | 7D7.pdf (71430 bytes) | 
    | 7D8 | Brimar | P | 7D8.pdf (51768 bytes) | 
    | 7D8 | Brimar | P | 7A3.pdf (376018 bytes) | 
    | 7DJ8 | Rogers | tt | 7DJ8.pdf (151451 bytes) | 
    | 7DP4 | RCA (HB3) | CRB | 7DP4.pdf (239893 bytes) | 
    | 7DP4 | Tung-Sol | CRB | 7DP4.pdf (85647 bytes) | 
    | 7E5 | Sylvania | t~ | 7E5.pdf (216342 bytes) | 
    | 7E5 | Tung-Sol | t~ | 7E5.pdf (146784 bytes) | 
    | 7E6 | RCA (HB3) | ddt | 7E6.pdf (65530 bytes) | 
    | 7E6 | Sylvania | ddt | 7E6.pdf (200450 bytes) | 
    | 7E6 | Sylvania | ddt | 7E6.pdf (44708 bytes) (fr) | 
    | 7E6 | Tung-Sol | ddt | 7E6.pdf (104271 bytes) | 
    | 7E7 | RCA (HB3) | ddp | 7E7.pdf (73087 bytes) | 
    | 7E7 | Sylvania | ddp | 7E7.pdf (54070 bytes) (fr) | 
    | 7E7 | Tung-Sol | ddp | 7E7.pdf (180144 bytes) | 
    | 7ED7 | Ediswan |  | 7ED7.pdf (117992 bytes) | 
    | 7EK7 | Ediswan |  | 7EK7.pdf (567586 bytes) | 
    | 7EY6 | RCA (HB3) | P | 7AU7.pdf (44996 bytes) | 
    | 7EY6 | General Electric | P | 7EY6.pdf (326492 bytes) | 
    | 7EY6 | Tung-Sol | P | 7EY6.pdf (227950 bytes) | 
    | 7F64R | NEC | Q~ | 7F64R.pdf (1444852 bytes) | 
    | 7F7 | Sylvania | tt | 7F7.pdf (158313 bytes) | 
    | 7F7   | Sylvania | tt | 7F7.pdf (46812 bytes) (fr) | 
    | 7F7 | Tung-Sol | tt | 7F7.pdf (120624 bytes) | 
    | 7F71RA | NEC | Q~ | 7F71RA.pdf (648950 bytes) | 
    | 7F8   | General Electric | tt | 7F8.pdf (166181 bytes) | 
    | 7F8 | Tung-Sol | tt | 7F8.pdf (112313 bytes) | 
    | 7F8W | Sylvania | tt | 7F8W.pdf (273326 bytes) | 
    | 7FC7 | Tung-Sol | tt | 7FC7.pdf (65711 bytes) | 
    | 7G7 | RCA (HB3) | p | 7G7.pdf (67272 bytes) | 
    | 7G7 | Tung-Sol | p | 7G7.pdf (116138 bytes) | 
    | 7G8 | Tung-Sol | qq~ | 7G8.pdf (59044 bytes) | 
    | 7GP4 | RCA (HB3) | CRB | 7GP4.pdf (237011 bytes) | 
    | 7GS7 | RCA (RC30) | tp | 6GK5.pdf (508126 bytes) | 
    | 7GS7 | RMA/EIA | tp | 7GS7.pdf (335669 bytes) | 
    | 7GV7 | Thorn-AEI | tp | 7GV7.pdf (394349 bytes) | 
    | 7H7 | Sylvania | p | 7H7.pdf (268417 bytes) | 
    | 7H7 | Tung-Sol | p | 7H7.pdf (49265 bytes) | 
    | 7H7 | Brimar | p | 7D8.pdf (51768 bytes) | 
    | 7HG8 | Sylvania | tp | 6HG8.pdf (131935 bytes) | 
    | 7HG8 | RCA (RC30) | tp | 6GW8.pdf (819702 bytes) | 
    | 7HP4 | NorthAmericanPhilips |  | 7HP4.pdf (631995 bytes) | 
    | 7J7 | RCA (HB3) | tH | 7J7.pdf (96015 bytes) | 
    | 7J7 | Sylvania | tH | 7J7.pdf (84615 bytes) (fr) | 
    | 7J7 | Tung-Sol | tH | 7J7.pdf (87861 bytes) | 
    | 7JP1 | RCA (HB3) | CRB | 7JP1.pdf (220126 bytes) | 
    | 7JP1 | Sylvania | CRB | 7JP4.pdf (168235 bytes) | 
    | 7JP1 | Sylvania | CRB | 7JP4.pdf (181493 bytes) | 
    | 7JP4 | General Electric | CRB | 7JP4.pdf (516853 bytes) | 
    | 7JP4 | Tung-Sol | CRB | 7JP4.pdf (155479 bytes) | 
    | 7JP4 | Sylvania | CRB | 7JP4.pdf (168235 bytes) | 
    | 7JP4 | Sylvania | CRB | 7JP4.pdf (181493 bytes) | 
    | 7JP7 | Sylvania | CRB | 7JP4.pdf (168235 bytes) | 
    | 7JP7 | Sylvania | CRB | 7JP4.pdf (181493 bytes) | 
    | 7K7 | Sylvania | ddt | 7K7.pdf (76041 bytes) | 
    | 7K7 | Tung-Sol | ddt | 7K7.pdf (122933 bytes) | 
    | 7K7 | Brimar | ddt | 7K7.pdf (54794 bytes) | 
    | 7KY6 | RCA (HB3) | p | 7AU7.pdf (44996 bytes) | 
    | 7KY6 | RCA (RC30) | p | 7KY6.pdf (94928 bytes) | 
    | 7KZ6 | RCA (HB3) | P | 7KZ6.pdf (145219 bytes) | 
    | 7L7 | RCA (HB3) | p | 7L7.pdf (61692 bytes) | 
    | 7L7 | Tung-Sol | p | 7L7.pdf (161488 bytes) | 
    | 7LO55I 7   55   | Soviet | CRO | 7LO55I.pdf (232605 bytes) | 
    | 7LP1 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP11 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP12 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP15 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP16 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP17 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP18 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP19 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP2 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP20 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP3 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP4 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP5 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7LP7 | VacuumTubeProducts |  | 7LP1.pdf (62365 bytes) | 
    | 7MP14 | RCA (HB3) | CRR | 7MP14.pdf (34071 bytes) | 
    | 7MP14 | Raytheon | CRR | 7MP7.pdf (222469 bytes) | 
    | 7MP14 | Sylvania | CRR | 7MP7.pdf (182668 bytes) | 
    | 7MP7 | Du Mont | CRR | 7MP7.pdf (148334 bytes) | 
    | 7MP7 | RCA (HB3) | CRR | 7MP7.pdf (191951 bytes) | 
    | 7MP7 | Raytheon | CRR | 7MP7.pdf (222469 bytes) | 
    | 7MP7 | Sylvania | CRR | 7MP7.pdf (182668 bytes) | 
    | 7N7 | Sylvania | tt | 7N7.pdf (176346 bytes) | 
    | 7N7 | Tung-Sol | tt | 7N7.pdf (154623 bytes) | 
    | 7NP4 | RCA (HB3) | CRP | 7NP4.pdf (547814 bytes) | 
    | 7NP4 | RCA | CRP | 5AZP4.pdf (447557 bytes) | 
    | 7P12S 7  12   | Soviet | P | 7P12S.pdf (67254 bytes) | 
    | 7Q7 | Sylvania | H | 7Q7.pdf (277066 bytes) | 
    | 7Q7 | Tung-Sol | H | 7Q7.pdf (74919 bytes) | 
    | 7QP4 | RCA (HB3) | CRM | 7QP4.pdf (299236 bytes) | 
    | 7QR20 | Tesla | CRO | 7QR20.pdf (422974 bytes) (cs) | 
    | 7R7 | Tung-Sol | ddp | 7R7.pdf (220715 bytes) | 
    | 7R7 | Brimar | ddp | 7K7.pdf (54794 bytes) | 
    | 7S7 | RCA (HB3) | tH | 7S7.pdf (95315 bytes) | 
    | 7S7 | Tung-Sol | tH | 7S7.pdf (216820 bytes) | 
    | 7S7 | Brimar | tH | 7S7.pdf (115478 bytes) | 
    | 7SP7 | Lansdale/Philco |  | 7SP7.pdf (87195 bytes) | 
    | 7T7 | Raytheon | p | 7T7.pdf (48990 bytes) | 
    | 7TD3A | Cintel | CRR | 7TD3A.pdf (108868 bytes) | 
    | 7TO3A | Cintel | CRR | 7TO3A.pdf (106712 bytes) | 
    | 7TP4 | RCA (HB3) | CRB | 7TP4.pdf (241364 bytes) | 
    | 7UP25 | Sylvania | CRT | 7UP7.pdf (211140 bytes) | 
    | 7UP7 | Du Mont | CRO | 7UP7.pdf (130372 bytes) | 
    | 7UP7 | General Electric | CRO | 7UP7.pdf (139897 bytes) | 
    | 7UP7 | Sylvania | CRO | 7UP7.pdf (211140 bytes) | 
    | 7UP7A | General Electric | CRO | 7UP7.pdf (139897 bytes) | 
    | 7UP7A | Sylvania | CRO | 7UP7.pdf (211140 bytes) | 
    | 7V7 | RCA (HB3) | p | 7V7.pdf (65934 bytes) | 
    | 7V7 | Tung-Sol | p | 7V7.pdf (194211 bytes) | 
    | 7VP1 | RCA (HB3) | CRO | 7VP1.pdf (279573 bytes) | 
    | 7VP31 | RCA (HB3) | CRO | 7VP1.pdf (279573 bytes) | 
    | 7W7 | RCA (HB3) | p | 7W7.pdf (35386 bytes) | 
    | 7W7 | Tung-Sol | p | 7W7.pdf (181318 bytes) | 
    | 7WP4 | RCA (HB3) | CRP | 7WP4.pdf (79784 bytes) | 
    | 7WP4 | RCA | CRP | 5AZP4.pdf (447557 bytes) | 
    | 7X6 | Tung-Sol | rr | 7X6.pdf (47070 bytes) | 
    | 7X7 | RCA (HB3) | ddt | 7X7.pdf (43836 bytes) | 
    | 7X7 | NU | ddt | 7X7.pdf (65116 bytes) | 
    | 7XP2 | ElectronicTubeCorp |  | 7XP2.pdf (154814 bytes) | 
    | 7Y4 | Sylvania | rr | 7Y4.pdf (92286 bytes) | 
    | 7Y4 | Sylvania | rr | 7Y4.pdf (113007 bytes) (fr) | 
    | 7Y4 | Tung-Sol | rr | 7Y4.pdf (119398 bytes) | 
    | 7Y4 | Brimar | rr | 7S7.pdf (115478 bytes) | 
    | 7YP1 | Du Mont | CRO | 7YP1.pdf (334790 bytes) | 
    | 7YP11 | Du Mont | CRO | 7YP1.pdf (334790 bytes) | 
    | 7YP2 | Du Mont | CRO | 7YP1.pdf (334790 bytes) | 
    | 7YP7 | Du Mont | CRO | 7YP1.pdf (334790 bytes) | 
    | 7Z12S 7  12   | Soviet | p | 7Z12S.pdf (75974 bytes) | 
    | 7Z4 | RCA (HB3) | rr | 7Z4.pdf (51136 bytes) | 
    | 7Z4 | Tung-Sol | rr | 7Z4.pdf (111771 bytes) | 
    | 7Z4 | Brimar | rr | 7Z4.pdf (45086 bytes) |