Tube cross-reference
6W7G alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6W7G voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6W7G
The following tubes are recorded as possible replacements for 6W7G. This direction does not establish that 6W7G can replace them.
Voltage Radio Detector Converter
The database records 6J7 as a possible replacement for6W7G.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | UX7 |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Voltage Radio Detector Converter
The database records 6J7G as a possible replacement for6W7G.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | UX7 |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Voltage Radio Detector Converter
The database records 6J7GT as a possible replacement for6W7G.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Where 6W7G can be used as the replacement
In these recorded relationships, 6W7G is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6W7G.
Voltage Radio Detector Converter
The database records 6W7G as a possible replacement for6J7.
- Parallel heater circuits only
| Specification | 6W7G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | UX7 |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Voltage Radio Detector Converter
The database records 6W7G as a possible replacement for6J7G.
- Parallel heater circuits only
| Specification | 6W7G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | UX7 |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Voltage Radio Detector Converter
The database records 6W7G as a possible replacement for6J7GT.
- Parallel heater circuits only
| Specification | 6W7G replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7R | 7R |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 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 6W7G specifications →