Tube cross-reference
6A8GT alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6A8GT voltage - radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6A8GT
The following tubes are recorded as possible replacements for 6A8GT. This direction does not establish that 6A8GT can replace them.
Voltage - Radio Detector Converter
The database records 6A8 as a possible replacement for6A8GT.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6A8G as a possible replacement for6A8GT.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6A8GTX as a possible replacement for6A8GT.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6D8G as a possible replacement for6A8GT.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.15 A |
Where 6A8GT can be used as the replacement
In these recorded relationships, 6A8GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6A8GT.
Voltage - Radio Detector Converter
The database records 6A8GT as a possible replacement for6A8.
No special restrictions are recorded for this substitution.
| Specification | 6A8GT replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6A8GT as a possible replacement for6A8G.
No special restrictions are recorded for this substitution.
| Specification | 6A8GT replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6A8GT as a possible replacement for6A8GTX.
No special restrictions are recorded for this substitution.
| Specification | 6A8GT replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Radio Detector Converter
The database records 6A8GT as a possible replacement for6D8G.
- Parallel heater circuits only
| Specification | 6A8GT replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8A | 8A |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.15 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 6A8GT specifications →