Tube cross-reference
4JH6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 4JH6 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 4JH6
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
4BZ6 Voltage Pentode - Remote Cutoff (single)
- Base
- 7CM
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 4.2 V
- Heater current
- 0.45 A
Replacement tubes for 4JH6
The following tubes are recorded as possible replacements for 4JH6. This direction does not establish that 4JH6 can replace them.
Voltage Pentode - Remote Cutoff (single)
The database records 4BZ6 as a possible replacement for4JH6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 4.2 V | 4.2 V |
| Heater current | 0.45 A | 0.45 A |
Where 4JH6 can be used as the replacement
In these recorded relationships, 4JH6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 4JH6.
Voltage Pentode - Remote Cutoff (single)
The database records 4JH6 as a possible replacement for4BZ6.
No special restrictions are recorded for this substitution.
| Specification | 4JH6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 4.2 V | 4.2 V |
| Heater current | 0.45 A | 0.45 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 4JH6 specifications →