Tube cross-reference
19JN8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 19JN8 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 19JN8
The following tubes are recorded as possible replacements for 19JN8. This direction does not establish that 19JN8 can replace them.
Voltage Radio Detector Converter
The database records 19CL8A as a possible replacement for19JN8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Tetrode-Triode |
| Base | 9FA | 9FX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 18.9 V | 18.9 V |
| Heater current | 0.15 A | 0.15 A |
Where 19JN8 can be used as the replacement
In these recorded relationships, 19JN8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 19JN8.
Voltage Radio Detector Converter
The database records 19JN8 as a possible replacement for19CL8A.
No special restrictions are recorded for this substitution.
| Specification | 19JN8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Tetrode-Triode |
| Base | 9FA | 9FX |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 18.9 V | 18.9 V |
| Heater current | 0.15 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 19JN8 specifications →