Tube cross-reference
6GL7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6GL7 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6GL7
The following tubes are recorded as possible replacements for 6GL7. This direction does not establish that 6GL7 can replace them.
Power - TV Vertical Output
The database records 6EA7 as a possible replacement for6GL7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8BD | 8BO |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.05 A | 1.05 A |
Power - TV Vertical Output
The database records 6EM7 as a possible replacement for6GL7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8BD | 8BD |
| Socket | IO | B9A |
| Base pins | 8 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.05 A | 0.9 A |
Where 6GL7 can be used as the replacement
In these recorded relationships, 6GL7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6GL7.
Power - TV Vertical Output
The database records 6GL7 as a possible replacement for6EA7.
No special restrictions are recorded for this substitution.
| Specification | 6GL7 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8BD | 8BO |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.05 A | 1.05 A |
Power - TV Vertical Output
The database records 6GL7 as a possible replacement for6EM7.
No special restrictions are recorded for this substitution.
| Specification | 6GL7 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8BD | 8BD |
| Socket | IO | B9A |
| Base pins | 8 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.05 A | 0.9 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 6GL7 specifications →