Tube cross-reference
6EF6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6EF6 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6EF6
The following tubes are recorded as possible replacements for 6EF6. This direction does not establish that 6EF6 can replace them.
Power - TV Vertical Output
The database records 6EY6 as a possible replacement for6EF6.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 7AC |
| Socket | OCTAL7 | IO |
| Base pins | Not recorded | 6 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.9 A | 0.68 A |
Power - TV Vertical Output
The database records 6EZ5 as a possible replacement for6EF6.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 7AC |
| Socket | OCTAL7 | IO |
| Base pins | Not recorded | 6 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.9 A | 0.8 A |
Where 6EF6 can be used as the replacement
In these recorded relationships, 6EF6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6EF6.
Power - Beam (NOT sweep)
The database records 6EF6 as a possible replacement for6DG6GT.
- Parallel heater circuits only
| Specification | 6EF6 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - Beam (NOT sweep) |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 7S |
| Socket | OCTAL7 | IO |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.9 A | 1.2 A |
Power - Beam (NOT sweep)
The database records 6EF6 as a possible replacement for6W6GT.
- Parallel heater circuits only
| Specification | 6EF6 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - Beam (NOT sweep) |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 7AC |
| Socket | OCTAL7 | IO |
| Base pins | Not recorded | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.9 A | 1.2 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 6EF6 specifications →