Tube cross-reference
6EH4A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6EH4A triode - hv shunt regulator. Compare core specifications and verify every restriction before using a replacement.
Where 6EH4A can be used as the replacement
In these recorded relationships, 6EH4A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6EH4A.
Triode - HV Shunt Regulator
The database records 6EH4A as a possible replacement for6EA4.
No special restrictions are recorded for this substitution.
| Specification | 6EH4A replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | Not recorded | Not recorded |
| Socket | B12C | B12C |
| Base pins | 12 | Not recorded |
| 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 6EH4A specifications →