| Equivalent | 12AX7, 6L13, B339, 5751, 7729, E83CC |
| Similar type | |
| With different Vf | XCC83 = 6AX7 |
| CV number | CV492, CV2011, CV4017, CV8156, CV8222, CV8312, CV10319 |
| Swedish Mil.nr. | M2462-438, M2462-465 |
| Tektronix part no |
154-0043-00 154-0094-00 |
| Hewlett-Packard part no. | 1932-0030 |
