Tube cross-reference
6EA4 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6EA4 triode - hv shunt regulator. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6EA4
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.
6EH4 Triode - HV Shunt Regulator
- Base
- Not recorded
- Socket
- Not recorded
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.2 A
Replacement tubes for 6EA4
The following tubes are recorded as possible replacements for 6EA4. This direction does not establish that 6EA4 can replace them.
Triode - HV Shunt Regulator
The database records 6EH4A as a possible replacement for6EA4.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | Not recorded | Not recorded |
| Socket | B12C | B12C |
| Base pins | Not recorded | 12 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 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 6EA4 specifications →