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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 |
| B36 B65 B152 B309 CK574 CK1005 CK1013 D63 D77 D152 DA90 DAC32 DAF91 DAF92 DAF96 DCC90 DD6 DF62 DF91 DF92 DH63 DH77 DK91 DK92 DK96 DL35 DL92 DL93 DL94 DL95 DL98 DP61 DY86 DY87 E88CC E180F EAA91 EABC80 EAF42 EB91 EBC41 EBC90 EBC91 EBF80 EC80 EC81 EC90 EC91 EC92 ECC33 ECC81 ECC82 ECC83 ECC85 ECC88 ECC91 ECF80 ECF82 ECH42 ECH81 ECH83 ECL80 ECL83 EF41 EF80 EF85 EF86 EF89 EF91 EF92 | 12SN7 6SN7 ECC33 ECC81 12AT7 B309 6679 6201 ECC81 12AT7 6679 6201 B152 6281 0Y4 0Z4A 5517 6H6 DD6 6AL5 EB91 D152 6663 5726 6AL5 D77 DD6 EB91 6663 5726 1A3 ID13 HD14 1H5 1S5 ZD17 IFD9 1U5 1AH5 3A5 6AL5 D77 D152 5726 6663 EB91 EAA91 1AD4 1T4 W17 IF3 1L4 1F2 6Q7 6T7 6AT6 EBC90 1R5 X17 1C1 1AC6 1AB6 N14 1C5 3S4 N17 IP10 3A4 3V4 1P11 3Q4 N18 3B4 EF95 6AK5 PM05 5654 DY87 1S2A 1S2 DY86 6922 6688 6AL5 5726 EB91 6663 6AK8 6T8 6CT7 6AL5 DD6 D77 D152 5727 6663 EAA91 6CV7 6AT6 DH77 6AV6 6N8 6Q4 6R4 6C4 6135 6AQ4 6AB4 65W7 65N7 B65 12AT7 B152 B309 6679 6201 12AU7 6680 5814 6189 12AX7 5751 6681 12DT7 6AQ8 6DJ8 6J6 6BL8 6U8 6678 6CU7 6AJ8 6DS8 6AB8 6BM8 6CJ5 6BX6 6BY7 Z729 6267 EL84 6BQ5 6DA6 6AM6 6CQ6 | EF93 EF94 EF95 EH90 EK90 EL34 EL36 EL37 EL38 EL41 EL81 EL84 EL85 EL86 EL90 EL91 EL95 EM80 EM81 EM84 EN91 EQ80 EY51 EY81 EY82 EY86 EZ35 EZ40 EZ80 EZ81 EZ90 G2 G84 GZ30 GZ32 GZ34 H63 HBC90 HBC91 HCH81 HD14 HF93 HF94 HK90 HL92 HL94 HM04 HY90 KR-1 KR-25 KT32 LA L63 M7 N14 N17 N18 N727 PABC80 PCC84 PCC85 PCF80 PL36 PL81 PL1267 PM04 PM05 PY81 QE06140 U78 U147 UAF42 UCH81 UF41 V2M70 VR-75 VR90 VR105 VR150 W17 X17 XXB XXD XXFM XXL X155 Z63 Z729 Z2669 ZD17 | 6BA6
PM04 5749 6660 6AU6 6136 6AK5 5654 DP61 PM05 6CS7 6BE6 HM04 5750 6CA7 6CM5 5881 6L6 5932 6CN6 6CK5 6CJ6 6BQ5 6267 EF86 Z729 6BN5 6CW5 6AQ5 N727 6669 6005 6AM5 6DL5 6BR5 6DA5 6FG6 2D21 5727 6BE7 6X2 6R3 6N3 6S2 U147 6BT4 6V4 6CA4 6X4 U78 6202 V2M70 4S 2S 2Z2 684 5Z4 5V4 5AR4 6F5 12AT6 12AV6 12AJ7 DAC32 1H5 12BA6 12AU6 12BE6 50C5 30A5 EK90 6BE6 5750 35W4 1V 2A5 25L6 6A4 6J5 117L7 DL35 1C5 DL92 3S4 1P10 3Q4 DL95 6AQ5 EL90 6669 6005 9AK8 7AN7 9AQ8 9A8 25E5 21A6 0A4 1267 6BA6 EF93 57491 6660 DP61 EF95 6AK5 5654 17Z3 5933 807 6X4 EZ90 6202 V2M70 EZ35 12S7 19D8 12AC5 6X4 EZ90 6202 U78 0A3 0B3 0C3 0D3 150C3 DF91 1T4 1F3 DK91 1R5 1C1 3C6 12AF7 7X7 7A4 6BC8 6BQ7 6BQ7A 6BS8 6BX8 6BZ7 6BZ8 6J7 EL84 6BQ5 EF86 6267 3DG4 DAF91 1S5 1FD9 |
Last update: 23 Mar. 2008