Tube cross-reference
6GM6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6GM6 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6GM6
The following tubes are recorded as possible replacements for 6GM6. This direction does not establish that 6GM6 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 6EW6 as a possible replacement for6GM6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.4 A |
Voltage Pentode - Remote Cutoff (single)
The database records 6JH6 as a possible replacement for6GM6.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.3 A |
Where 6GM6 can be used as the replacement
In these recorded relationships, 6GM6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6GM6.
Voltage Pentode - Sharp Cutoff (single)
The database records 6GM6 as a possible replacement for6EW6.
No special restrictions are recorded for this substitution.
| Specification | 6GM6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.4 A |
Voltage Pentode - Remote Cutoff (single)
The database records 6GM6 as a possible replacement for6JH6.
- Parallel heater circuits only
| Specification | 6GM6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 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 6GM6 specifications →