Tube cross-reference
6BJ7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6BJ7 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6BJ7
The following tubes are recorded as possible replacements for 6BJ7. This direction does not establish that 6BJ7 can replace them.
Voltage Pentode - Remote Cutoff (single)
The database records E99F as a possible replacement for6BJ7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Diode-Diode-Diode | Pentode |
| Base | 9AX | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 3 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.15 A |
Verify before substituting
Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.
View the complete 6BJ7 specifications →