Tube cross-reference
1E7G alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1E7G voltage dual pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 1E7G
The following tubes are recorded as possible replacements for 1E7G. This direction does not establish that 1E7G can replace them.
Voltage Dual Pentode
The database records 1E7GT as a possible replacement for1E7G.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Dual Pentode | Voltage Dual Pentode |
| Construction | Pentode-Pentode | Pentode-Pentode |
| Base | G-8C | 8C |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 2 V | 2 V |
| Heater current | 0.24 A | 0.24 A |
Where 1E7G can be used as the replacement
In these recorded relationships, 1E7G is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1E7G.
Voltage Dual Pentode
The database records 1E7G as a possible replacement for1E7GT.
No special restrictions are recorded for this substitution.
| Specification | 1E7G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Dual Pentode | Voltage Dual Pentode |
| Construction | Pentode-Pentode | Pentode-Pentode |
| Base | G-8C | 8C |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 2 V | 2 V |
| Heater current | 0.24 A | 0.24 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 1E7G specifications →