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The following should be direct substitutions. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. The reverse will not necessarily be a correct replacement. Please report any errors.
| Tube | Replacement | Tube | Replacement |
| VT-1
VT-2 VT-4B VT-4C VT-5 VT-6 VT-7 VT-8 VT-17 VT-19 VT-20 VT-22 VT-23 VT-24 VT-25 VT-25A VT-26 VT-27 VT-28 VT-29 VT-30 VT-31 VT-33 VT-34 VT-35 VT-36 VT-37 VT-38 VT-39 VT-39A VT-40 VT-41 VT-42 VT-42A VT-43 VT-44 VT-45 VT-46 VT-46A VT-47 VT-48 VT-49 VT-50 VT-51 VT-52 VT-53 VT-54 VT-55 VT-56 VT-57 VT-58 VT-60 VT-60A VT-61A VT-61B VT-62 VT-63 VT-64 VT-65 VT-65A VT-66 VT-66A VT-67 VT-68 VT-69 VT-70 VT-72 VT-73 VT-74 VT-75 VT-76 VT-77 VT-78 VT-80 VT-83 VT-84 VT-86 VT-86A VT-86B VT-87 VT-87A VT-88 VT-88A VT-89 VT-90 VT-90A VT-91 VT-91A VT-92 VT-92A VT-93 VT-93A VT-94 VT-94A VT-94B VT-94C VT-94D VT-95 VT-96 VT-96B VT-97 VT-98 VT-99 VT-100 VT-100A VT-101 VT-103 VT-104 VT-105 VT-106 VT-107 VT-107A VT-107B VT-108 VT-109 VT-111 VT-112 VT-114 VT-115 VT-115A VT-116 VT-116A VT-116B VT-117 VT-117A VT-118 VT-119 VT-120 VT-121 VT-122 VT-123 VT-124 VT-125 VT-126 VT-126A VT-126B VT-127A VT-128 VT-129 VT-130 VT-131 VT-132 | WE-203A
EW-205B COML-211 JAN-211 WE-215A 212A WX-12 UV-204 860 861 220P 204A 230XP 864 10 10 22 30 24 27 01-A 31 33 207 35/51 36 37 38 869 869A 40 851 872 872A 845 32 45 866 866A 47 41 39/44 50 841 45 sp 872A 34 865 56 57 58 850 807 4074B 2C34 801/8019/CV1062 46 800 6C5 6C5G 6F6 6F6G 30 6B7 6D6 6F7 842 843 5Z4 75 76 77 78 80 83 84/6Z4 6K7 6K7G 6K7GT 6L7 6L7G 6R7 6R7G 89 6H6 6H6GT 6J7 6J7GT 6Q7 6Q7G 6B8 6B8G 6J5 6J5G 6J5 6J5G 6J5GT 2A3 6N7 6N7 5W4 6U5/6G5 6F8G 807 807 837 6SQ7 12SQ7 6SC7 803 6V6 6V6GT 6V6G 450TH 2051 5BP4/1802P4 6AC7/1852 5T4 6L6 6L6G 6SJ7 6SJ7GT 6SJ7Y 6SK7 6SK7GT 832 2X2/879 954 955 530 A-5586 1A5GT 1C5GT 6X5 6X5G 6X5GT 3-100D2 1630/A-5588 304TL 250TL 12SK7 12K8 | VT-133
VT-134 VT-135 VT-135A VT-136 VT-137 VT-138 VT-139 VT-140 VT-141 VT-142 VT-143 VT-144 VT-145 VT-146 VT-147 VT-148 VT-149 VT-150 VT-150A VT-151 VT-151A VT-152 VT-152A VT-153 VT-154 VT-161 VT-162 VT-163 VT-164 VT-165 VT-166 VT-167 VT-167A VT-168A VT-169 VT-170 VT-171 VT-171A VT-172 VT-173 VT-174 VT-175 VT-176 VT-177 VT-178 VT-179 VT-180 VT-181 VT-182 VT-183 VT-184 VT-185 VT-187 VT-188 VT-189 VT-190 VT-191 VT-192 VT-193 VT-194 VT-195 VT-196 VT-197A VT-198A VT-199 VT-200 VT-201 VT-201C VT-202 VT-203 VT-204 VT-205 VT-206A VT-207 VT-208 VT-209 VT-210 VT-211 VT-212 VT-213A VT-214 VT-215 VT-216 VT-217 VT-218 VT-219 VT-220 VT-221 VT-222 VT-223 VT-224 VT-225 VT-226 VT-227 VT-228 VT-229 VT-230 VT-231 VT-232 VT-233 VT-234 VT-235 VT-236 VT-237 VT-238 VT-239 VT-240 VT-241 VT-243 VT-244 VT-245 VT-246 VT-247 VT-248 VT-249 VT-250 VT-251 VT-252 VT-254 VT-255 VT-256 VT-257 VT-259 VT-260 VT-264 VT-266 VT-267 VT-268 VT-269 VT-277 VT-279 VT-280 VT-281 VT-282 VT-284 VT-285 VT-286 VT-287 VT-288 VT-289 | 12SR7
12A6 12J5GT 12J5 1625 1626 1629 VR150-30 1628 531 WE-39DY1 805 813 5Z3 1N5GT 1A7GT 1D8GT 3A8GT 6SA7 6SA7GT 6A8G 6A8GT 6K6GT 6K6G 12C8 814 12SA7 12SJ7 6C8G 1619 1624 371A 6K8 6K8G 6Y6G 12C8 1E5-GP 1R5 Local 1R5 1S5/1U5 1T4 3S4 1613 6AB7/-1853 1LH4 1LC6 1LN5 3LF4 7Z4 3B7/1291 1R4/1294 VR90-30 3D6/1299 575A 7E6 7F7 7H7 316A 7A4 7C7 7J7 1005 6W5G 5Y3GT/G 6G6G 6SS7 VR105-30/0C3 25L6 25L6GT 9002 9003 HK24G 6ST7 5V4G 12AH7GT 7B8 12SG7 1S4 6SG7/CV1978 958 6L5G 12H6 6E5 816 811 100TH 6L6-2.5V Fil 250TH 3Q5GT 884 1H5GT RK34 307A 2EP/1806P1 7184 8012 6SL7GT 350A 6SN7GT E-1148 6SR7 HY-114B HY-615 836 957 956 1LE3 710A 7E5/1201 7C4/-1203A 5U4G 2050 918 6AG7 1808P1 1006 EF50 441 923 304TH 705A ZP486 K-7 829 VR75-30 3Q4 1616 578 12SC7 717A/CV3594 417 GY-2 C7063 HY-145ZT ZG489 QF-206 QF-197 832A 815 12SH7 12SL7GT |
Last update: 24 Jul. 2004