| Electron tube Type | Brand | System | Data sheet | 
    | 9/03HB | Ferranti | CRR | 9-03HB.pdf (95594 bytes) | 
    | 9/03JB | Ferranti | CRR | 9-03HB.pdf (95594 bytes) | 
    | 9/03LB | Ferranti | CRR | 9-03HB.pdf (95594 bytes) | 
    | 9/22AM | Ferranti | CRT | 9-22AM.pdf (84898 bytes) | 
    | 9/22PM | Ferranti | CRT | 9-22AM.pdf (84898 bytes) | 
    | 9/22QM | Ferranti | CRT | 9-22AM.pdf (84898 bytes) | 
    | 9/24DM | Ferranti | CRT | 9-24DM.pdf (81113 bytes) | 
    | 9/25AM | Ferranti | CRT | 9-25AM.pdf (138002 bytes) | 
    | 9/25PM | Ferranti | CRT | 9-25AM.pdf (138002 bytes) | 
    | 9/25QM | Ferranti | CRT | 9-25AM.pdf (138002 bytes) | 
    | 9/28PM | Ferranti | CRT | 9-28PM.pdf (140268 bytes) | 
    | 9000 | Eimac | Q~ | 9000.pdf (2396523 bytes) | 
    | 9001   | RCA (HB3) | p | 9001.pdf (195629 bytes) | 
    | 9001 | Tung-Sol | p | 9001.pdf (79630 bytes) | 
    | 9002       | RCA (HB3) | t | 9002.pdf (126353 bytes) | 
    | 9002 | Tung-Sol | t | 9002.pdf (46432 bytes) | 
    | 9003 | RCA (HB3) | p | 9003.pdf (231421 bytes) | 
    | 9003 | Tung-Sol | p | 9003.pdf (77971 bytes) | 
    | 9004 | RCA (HB3) | d | 9004.pdf (112758 bytes) | 
    | 9004 | Tung-Sol | d | 9004.pdf (37010 bytes) | 
    | 9005 | RCA (HB3) | d | 9005.pdf (112112 bytes) | 
    | 9005 | Tung-Sol | d | 9005.pdf (37842 bytes) | 
    | 9006 | RCA (HB3) | d | 9006.pdf (55303 bytes) | 
    | 9006 | Tung-Sol | d | 9006.pdf (38504 bytes) | 
    | 9013 | Eimac | Q~ | 9013.pdf (872748 bytes) | 
    | 9019 | Eimac | Q~ | 9019.pdf (1817776 bytes) | 
    | 902 | RCA | CRO | 902.pdf (944519 bytes) | 
    | 902A | RCA (HB3) | CRO | 902A.pdf (219280 bytes) | 
    | 905 | RCA | CRO | 905.pdf (324562 bytes) | 
    | 905A | RCA (HB3) | CRO | 905A.pdf (209879 bytes) | 
    | 906P1 (= 3AP1) | Sylvania | CRO | 3AP1.pdf (76063 bytes) (fr) | 
    | 906P3 (= 3AP3) | Sylvania | CRO | 3AP1.pdf (76063 bytes) (fr) | 
    | 906P4 (= 3AP4) | Sylvania | CRO | 3AP1.pdf (76063 bytes) (fr) | 
    | 908 | RCA | CRO | 908.pdf (165838 bytes) | 
    | 908A | RCA (HB3) | CRO | 908A.pdf (231439 bytes) | 
    | 90AG | Philips | PHT° | 90AG.pdf (385942 bytes) | 
    | 90AV | Philips | PHT | 90AV.pdf (259114 bytes) | 
    | 90C1     | Philips | v`° | 90C1.pdf (102096 bytes) | 
    | 90CG   | Philips | PHT° | 90CG.pdf (396288 bytes) | 
    | 90CV   | Philips | PHT | 90CV.pdf (345558 bytes) | 
    | 90EB4 | Cintel | CRO | 90EB4.pdf (93929 bytes) | 
    | 90EB4F | Cintel | CRO | 90EB4F.pdf (90526 bytes) | 
    | 90EB4P | Cintel | CRO | 90EB4P.pdf (94373 bytes) | 
    | 90ED4 | Cintel | CRO | 90ED4.pdf (93061 bytes) | 
    | 90ED4P | Cintel | CRO | 90ED4P.pdf (95499 bytes) | 
    | 90EG4 | Cintel | CRO | 90EG4.pdf (92348 bytes) | 
    | 90EG4F | Cintel | CRO | 90EG4F.pdf (87130 bytes) | 
    | 90EG4P | Cintel | CRO | 90EG4P.pdf (94750 bytes) | 
    | 90EO4 | Cintel | CRO | 90EO4.pdf (93660 bytes) | 
    | 90EO4F | Cintel | CRO | 90EO4F.pdf (90289 bytes) | 
    | 90EO4P | Cintel | CRO | 90EO4P.pdf (97667 bytes) | 
    | 90EY4 | Cintel | CRO | 90EY4.pdf (93357 bytes) | 
    | 90EY4F | Cintel | CRO | 90EY4F.pdf (88419 bytes) | 
    | 90EY4P | Cintel | CRO | 90EY4P.pdf (97585 bytes) | 
    | 90LO1A | Cintel | CRR | 90LO1A.pdf (102166 bytes) | 
    | 912 | RCA (HB3) | CRO | 912.pdf (188419 bytes) | 
    | 913 | RCA (HB3) | CRO | 913.pdf (212091 bytes) | 
    | 914A | RCA (HB3) | CRO | 914A.pdf (274394 bytes) | 
    | 917   | RCA (HB3) | PHT | 917.pdf (246964 bytes) | 
    | 917 (= GL917) | General Electric | PHT | GL917.pdf (519673 bytes) | 
    | 918 | RCA (HB3) | PHT° | 918.pdf (349675 bytes) | 
    | 918 (= GL918)   | General Electric | PHT° | GL918.pdf (507914 bytes) | 
    | 919 | RCA (HB3) | PHT | 919.pdf (77537 bytes) | 
    | 919 (= GL919) | General Electric | PHT | GL919.pdf (522196 bytes) | 
    | 920 | RCA (HB3) | PHT° | 920.pdf (445056 bytes) | 
    | 920 (= GL920) | General Electric | PHT° | GL920.pdf (476376 bytes) | 
    | 921 | RCA (HB3) | PHT° | 921.pdf (170916 bytes) | 
    | 921 (= GL921) | General Electric | PHT° | GL921.pdf (507129 bytes) | 
    | 922 | RCA (HB3) | PHT | 922.pdf (131483 bytes) | 
    | 922 (= GL922) | General Electric | PHT | GL922.pdf (492357 bytes) | 
    | 923   | RCA (HB3) | PHT° | 923.pdf (122597 bytes) | 
    | 923 (= GL923) | General Electric | PHT° | GL923.pdf (499415 bytes) | 
    | 924 | RCA (HB3) | PHT° | 924.pdf (38440 bytes) | 
    | 925     | RCA (HB3) | PHT | 925.pdf (235874 bytes) | 
    | 926 | RCA (HB3) | PHT | 926.pdf (209172 bytes) | 
    | 927 | RCA (HB3) | PHT° | 927.pdf (285229 bytes) | 
    | 927 | Mazda | PHT° | 927.pdf (118085 bytes) (fr) | 
    | 927 (= GL927) | General Electric | PHT° | GL927.pdf (497848 bytes) | 
    | 927d | Mazda | PHT° | 927d.pdf (24319 bytes) (fr) | 
    | 928 | RCA (HB3) | PHT° | 928.pdf (247042 bytes) | 
    | 929 | RCA (HB3) | PHT | 929.pdf (199799 bytes) | 
    | 929 | Mazda | PHT | 929.pdf (107416 bytes) (fr) | 
    | 929 (= GL929) | General Electric | PHT | GL929.pdf (498277 bytes) | 
    | 92A1 | ChampionRadioTube |  | 42A1etc.pdf (99727 bytes) | 
    | 92A2 | ChampionRadioTube |  | 42A1etc.pdf (99727 bytes) | 
    | 92AG | Philips | PHT° | 92AG.pdf (116874 bytes) | 
    | 92AV   | Philips | PHT | 92AV.pdf (119176 bytes) | 
    | 92B2 | ChampionRadioTube |  | 42A1etc.pdf (99727 bytes) | 
    | 930 | RCA (HB3) | PHT° | 930.pdf (257122 bytes) | 
    | 930 (= GL930) | General Electric | PHT° | GL930.pdf (502669 bytes) | 
    | 931A   | RCA (HB3) | PHM | 931A.pdf (940763 bytes) | 
    | 931A (= GL931A) | General Electric | PHM | GL931A.pdf (588062 bytes) | 
    | 934 | RCA (HB3) | PHT | 934.pdf (242475 bytes) | 
    | 935 | RCA (HB3) | PHT | 935.pdf (203436 bytes) | 
    | 950 | Sylvania | P | 950.pdf (22542 bytes) (fr) | 
    | 950 | Tung-Sol | P | 950.pdf (35687 bytes) | 
    | 95108 | Philips | p~ | 95108.pdf (332408 bytes) | 
    | 954 | RCA (HB3) | p | 954.pdf (205912 bytes) | 
    | 954   | Tung-Sol | p | 954.pdf (89258 bytes) | 
    | 955     | RCA (HB3) | t | 955.pdf (198707 bytes) | 
    | 955 | Tung-Sol | t | 955.pdf (92937 bytes) | 
    | 956 | RCA (HB3) | p | 956.pdf (242109 bytes) | 
    | 956 | Tung-Sol | p | 956.pdf (65913 bytes) | 
    | 957   | RCA (HB3) | t | 957.pdf (114234 bytes) | 
    | 957 | RCA | t | 957.pdf (518663 bytes) | 
    | 958 | RCA | t | 957.pdf (518663 bytes) | 
    | 958A | RCA (HB3) | t | 958A.pdf (149644 bytes) | 
    | 959 | RCA (HB3) | p | 959.pdf (134071 bytes) | 
    | 959 | RCA | p | 957.pdf (518663 bytes) | 
    | 95A1 | Mullard | v`° | 95A1.pdf (67589 bytes) | 
    | 974W | GEC | CRO | 900W.pdf (90135 bytes) | 
    | 99 (= C299) | Cunningham | t | 99.pdf (81841 bytes) | 
    | 991   | RCA (HB3) | v`° | 991.pdf (40088 bytes) | 
    | 996W | GEC | CRO | 900W.pdf (90135 bytes) | 
    | 9A1 | Brimar | p | 9A1.pdf (318005 bytes) | 
    | 9A8 | Tung-Sol | tp | 9A8.pdf (229329 bytes) | 
    | 9A8 | RCA (RC30) | tp | 9A8.pdf (160444 bytes) | 
    | 9AH9   | General Electric | tp | 9AH9.pdf (81089 bytes) | 
    | 9AK10 | General Electric | ttt | 9AK10.pdf (86940 bytes) | 
    | 9AK8 (= PABC80) | RFT | dddt | EABC80.pdf (152229 bytes) (de) | 
    | 9AK8 | Rogers | dddt | 9AK8.pdf (448663 bytes) | 
    | 9AP4 | RCA (HB3) | CRB | 9AP4.pdf (83836 bytes) | 
    | 9AQ8 | Rogers | tt | 9AQ8.pdf (539167 bytes) | 
    | 9AU7   | RCA (HB3) | tt | 9AU7.pdf (43290 bytes) | 
    | 9AU7 | Tung-Sol | tt | 9AU7.pdf (90980 bytes) | 
    | 9AU7   | RCA (RC30) | tt | 12AB5.pdf (630827 bytes) | 
    | 9BJ11 | Sylvania | pP | 9BJ11.pdf (337380 bytes) | 
    | 9BM5 (= 9P9) | Mazda-Belvu | P | 9P9.pdf (32553 bytes) (fr) | 
    | 9BR7 | Philco | ddt | 9BR7.pdf (70159 bytes) | 
    | 9BR8 | STC/Brimar |  | 9BR8.pdf (71881 bytes) | 
    | 9BW6 | Brimar | P | 9BW6.pdf (37367 bytes) | 
    | 9BW6 | Brimar | P | 6BW6.pdf (2962173 bytes) | 
    | 9BW6 | STC/Brimar | P | 9BW6.pdf (67789 bytes) | 
    | 9C21 | RCA (HB3) | T~ | 9C21.pdf (642649 bytes) | 
    | 9C22 | RCA (HB3) | T~ | 9C22.pdf (376331 bytes) | 
    | 9C25 | RCA (HB3) | T~ | 9C25.pdf (469467 bytes) | 
    | 9C25 | RCA | T~ | 9C25.pdf (724831 bytes) | 
    | 9C26 | RCA (HB3) | T~ | 9C26.pdf (225112 bytes) | 
    | 9C27 | RCA |  | 9C27.pdf (830038 bytes) | 
    | 9CL8 | General Electric | tq | 6CL8.pdf (635269 bytes) | 
    | 9CP4 | NU | CRB | 9CP4.pdf (25926 bytes) | 
    | 9D2 | Brimar | p | 9BW6.pdf (37367 bytes) | 
    | 9D2 | Brimar | p | 9D2.pdf (318327 bytes) | 
    | 9D6 | Brimar | p | 9D6.pdf (41736 bytes) | 
    | 9D7 | Brimar | p | 9D7.pdf (84943 bytes) | 
    | 9DZ8 | Tung-Sol | tP | 9DZ8.pdf (52241 bytes) | 
    | 9EF6 | Tung-Sol | P | 9EF6.pdf (81939 bytes) | 
    | 9EF6 | Raytheon | P | 6EF6.pdf (74799 bytes) | 
    | 9EN7 | Ediswan | tp | 9EN7.pdf (604269 bytes) | 
    | 9F8P 9  8   | Soviet | tp | 9F8P.pdf (178171 bytes) | 
    | 9GB8 | Ediswan |  | 9GB8.pdf (101865 bytes) | 
    | 9GH8A | RCA (RC30) | tp | 6GB5.pdf (411522 bytes) | 
    | 9GP7 | GE |  | 9GP7.pdf (73545 bytes) | 
    | 9GV8 (= XCL85) | Miniwatt | tP | XCL85.pdf (253685 bytes) (pt) | 
    | 9GV8 | RCA (RC30) | tP | 6GV8.pdf (130530 bytes) | 
    | 9HP7 | ResearchEnterprisesLtd |  | 9HP7.pdf (72271 bytes) | 
    | 9JP1 | RCA | CRO | 9JP1.pdf (427811 bytes) | 
    | 9JW8 | RMA/EIA | tp | 9JW8.pdf (91159 bytes) | 
    | 9KC6 | RMA/EIA | P | 9KC6.pdf (252924 bytes) | 
    | 9KX6 | RCA (RC30) | p | 9A8.pdf (160444 bytes) | 
    | 9KZ8 | Sylvania | tp | 6KZ8.pdf (132973 bytes) | 
    | 9KZ8 | RCA (RC30) | tp | 6KA8.pdf (1162104 bytes) | 
    | 9LO2I 9   2   | Soviet | CRO | 9LO2I.pdf (191395 bytes) (ru) | 
    | 9LP7 | GE |  | 9LP7.pdf (74220 bytes) | 
    | 9MN8 | General Electric | ttt | 9MN8.pdf (74687 bytes) | 
    | 9MN8 | RCA (RC30) | ttt | 6MG8.pdf (468291 bytes) | 
    | 9MP7 | ResearchEnterprisesLtd |  | 9MP7.pdf (73861 bytes) | 
    | 9NP1 | ResearchEnterprisesLtd |  | 9NP1.pdf (88154 bytes) | 
    | 9P9 | Mazda-Belvu | P | 9P9.pdf (32553 bytes) (fr) | 
    | 9Q205-1 | RFT | R° | 9Q205-1.pdf (63108 bytes) (de) | 
    | 9Q205-1 | RFT | R° | 9Q205-1.pdf (65860 bytes) (de) | 
    | 9QP4 | General Electric | CRB | 9QP4.pdf (189290 bytes) | 
    | 9QP4A | GE |  | 9QP4A.pdf (124676 bytes) | 
    | 9RP31 | Mullard | CRT | 9RP33.pdf (384447 bytes) | 
    | 9RP32 | Mullard | CRT | 9RP33.pdf (384447 bytes) | 
    | 9RP33 | Mullard | CRT | 9RP33.pdf (384447 bytes) | 
    | 9T40 | NEC | T~ | 9T40.pdf (581172 bytes) | 
    | 9U8 (= PCF82) | RFT | tp | ECF82.pdf (140998 bytes) (de) | 
    | 9U8 (= PCF82) | Brimar | tp | PCC84.pdf (61282 bytes) | 
    | 9U8 | STC/Brimar | tp | 9U8.pdf (56077 bytes) | 
    | 9U8A | RCA (RC30) | tp | 6SN7GTB.pdf (333220 bytes) | 
    | 9WP4 | RCA (HB3) | CRB | 9WP4.pdf (89224 bytes) |