Tube cross-reference
7E7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7E7 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 7E7
The following tubes are recorded as possible replacements for 7E7. This direction does not establish that 7E7 can replace them.
Voltage Radio Detector Converter
The database records 7R7 as a possible replacement for7E7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Diode-Diode-Pentode | Diode-Diode-Pentode |
| Base | 8AE | Not recorded |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where 7E7 can be used as the replacement
In these recorded relationships, 7E7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7E7.
Voltage Radio Detector Converter
The database records 7E7 as a possible replacement for7R7.
No special restrictions are recorded for this substitution.
| Specification | 7E7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Diode-Diode-Pentode | Diode-Diode-Pentode |
| Base | 8AE | Not recorded |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 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 7E7 specifications →