Tube cross-reference
12L6GT alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 12L6GT power - beam (not sweep). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 12L6GT
The following tubes are recorded as possible replacements for 12L6GT. This direction does not establish that 12L6GT can replace them.
Power - Beam Single (NOT sweep) (under 10W)
The database records 1632 as a possible replacement for12L6GT.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | BeamPower | BeamPower |
| Base | 7AC | 7AC |
| Socket | IO | B9A |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.6 A |
Power - TV Vertical Output
The database records 12EN6 as a possible replacement for12L6GT.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 7AC | Not recorded |
| Socket | IO | B7G |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.15 A |
Power - TV Vertical Output
The database records 12W6GT as a possible replacement for12L6GT.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 7AC | 7AC |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.3 A |
Where 12L6GT can be used as the replacement
In these recorded relationships, 12L6GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12L6GT.
Power - TV Vertical Output
The database records 12L6GT as a possible replacement for12EN6.
No special restrictions are recorded for this substitution.
| Specification | 12L6GT replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 7AC | Not recorded |
| Socket | IO | B7G |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 A | 0.15 A |
Power - TV Vertical Output
The database records 12L6GT as a possible replacement for12W6GT.
No special restrictions are recorded for this substitution.
| Specification | 12L6GT replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - TV Vertical Output |
| Construction | BeamPower | BeamPower |
| Base | 7AC | 7AC |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.6 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 12L6GT specifications →