Tube cross-reference
6EN4 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6EN4 triode - hv shunt regulator. Compare core specifications and verify every restriction before using a replacement.
Where 6EN4 can be used as the replacement
In these recorded relationships, 6EN4 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6EN4.
Triode - HV Shunt Regulator
The database records 6EN4 as a possible replacement for6BK4.
No special restrictions are recorded for this substitution.
| Specification | 6EN4 replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | 8NJ | 8GC |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Triode - HV Shunt Regulator
The database records 6EN4 as a possible replacement for6BK4A.
No special restrictions are recorded for this substitution.
| Specification | 6EN4 replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | 8NJ | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Triode - HV Shunt Regulator
The database records 6EN4 as a possible replacement for6BK4B.
No special restrictions are recorded for this substitution.
| Specification | 6EN4 replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | 8NJ | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Triode - HV Shunt Regulator
The database records 6EN4 as a possible replacement for6BK4C.
No special restrictions are recorded for this substitution.
| Specification | 6EN4 replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | 8NJ | SMW |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Triode - HV Shunt Regulator
The database records 6EN4 as a possible replacement for6EL4A.
No special restrictions are recorded for this substitution.
| Specification | 6EN4 replacement | Original tube |
|---|---|---|
| Tube type | Triode - HV Shunt Regulator | Triode - HV Shunt Regulator |
| Construction | Triode | Triode |
| Base | 8NJ | 8GC |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| 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 6EN4 specifications →