Tube cross-reference
6JH5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6JH5 power - triode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6JH5
The following tubes are recorded as possible replacements for 6JH5. This direction does not establish that 6JH5 can replace them.
Power - Triode
The database records 6JK5 as a possible replacement for6JH5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Triode | Power - Triode |
| Construction | Triode | Triode |
| Base | E12-74 | E12-74 |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.5 A | 1.8 A |
Where 6JH5 can be used as the replacement
In these recorded relationships, 6JH5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6JH5.
Power - Triode
The database records 6JH5 as a possible replacement for6JK5.
No special restrictions are recorded for this substitution.
| Specification | 6JH5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Triode | Power - Triode |
| Construction | Triode | Triode |
| Base | E12-74 | E12-74 |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.5 A | 1.8 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 6JH5 specifications →