| Equivalent | 6SL7, 6113 |
| Similar type | 6SU7, 33S29, 5691, VT229 |
| With different Vf | |
| CV number | 6SL7 =
CV1984 6SL7GT = CV569, CV1985, CV3705 6SL7WGT = CV3985 |
| Swedish Mil.nr. | 6SL7 = M2463-230 6SL7GT = M2463-116, M2463-255C, M2463-256 M2463-250010 M2463-256010 |
| Air Min. Ref. | 110E/435 |
