Tube cross-reference
14J7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 14J7 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 14J7
The following tubes are recorded as possible replacements for 14J7. This direction does not establish that 14J7 can replace them.
Voltage - Triode (with diode, heptode or hexode)
The database records 14S7 as a possible replacement for14J7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Heptode-Triode | Heptode-Triode |
| Base | 8BL | 8BL |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.15 A | 0.15 A |
Where 14J7 can be used as the replacement
In these recorded relationships, 14J7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 14J7.
Voltage - Triode (with diode, heptode or hexode)
The database records 14J7 as a possible replacement for14S7.
No special restrictions are recorded for this substitution.
| Specification | 14J7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Heptode-Triode | Heptode-Triode |
| Base | 8BL | 8BL |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.15 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 14J7 specifications →