Tube cross-reference
EB34 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EB34 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for EB34
The following tubes are recorded as possible replacements for EB34. This direction does not establish that EB34 can replace them.
Diode (NOT rectifier)
The database records 6H6 as a possible replacement forEB34.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | Not recorded | 7O |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.3 A |
Where EB34 can be used as the replacement
In these recorded relationships, EB34 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EB34.
Diode (NOT rectifier)
The database records EB34 as a possible replacement for6H6.
- Parallel heater circuits only
| Specification | EB34 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | Not recorded | 7O |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.3 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 EB34 specifications →