Tube cross-reference
10JA8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 10JA8 power - beam (not sweep). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 10JA8
The following tubes are recorded as possible replacements for 10JA8. This direction does not establish that 10JA8 can replace them.
Voltage Triode Pentode
The database records 10EB8 as a possible replacement for10JA8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Power - Pentode (NOT beam)
The database records 10GN8 as a possible replacement for10JA8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - Pentode (NOT beam) |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 10HF8 as a possible replacement for10JA8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Radio Detector Converter |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | Not recorded |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 10JY8 as a possible replacement for10JA8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 11JE8 as a possible replacement for10JA8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.9 V |
| Heater current | 0.45 A | 0.45 A |
Where 10JA8 can be used as the replacement
In these recorded relationships, 10JA8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 10JA8.
Voltage Triode Pentode
The database records 10JA8 as a possible replacement for10EB8.
No special restrictions are recorded for this substitution.
| Specification | 10JA8 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Power - Pentode (NOT beam)
The database records 10JA8 as a possible replacement for10GN8.
No special restrictions are recorded for this substitution.
| Specification | 10JA8 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - Pentode (NOT beam) |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 10JA8 as a possible replacement for10HF8.
No special restrictions are recorded for this substitution.
| Specification | 10JA8 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Radio Detector Converter |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | Not recorded |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 10JA8 as a possible replacement for10JY8.
No special restrictions are recorded for this substitution.
| Specification | 10JA8 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.5 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 10JA8 as a possible replacement for11JE8.
No special restrictions are recorded for this substitution.
| Specification | 10JA8 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Voltage Triode Pentode |
| Construction | BeamPower-Triode | Pentode-Triode |
| Base | 9DX | 9DX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 10.5 V | 10.9 V |
| Heater current | 0.45 A | 0.45 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 10JA8 specifications →