Tube cross-reference
LZ319 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the LZ319 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for LZ319
The following tubes are recorded as possible replacements for LZ319. This direction does not establish that LZ319 can replace them.
Voltage Radio Detector Converter
The database records 9A8 as a possible replacement forLZ319.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | B9A | 7AE |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 9 V | 9 V |
| Heater current | 0.3 A | 0.3 A |
Where LZ319 can be used as the replacement
In these recorded relationships, LZ319 is the replacement tube. The listed original tubes are not automatically suitable as replacements for LZ319.
Voltage Radio Detector Converter
The database records LZ319 as a possible replacement for9A8.
No special restrictions are recorded for this substitution.
| Specification | LZ319 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | B9A | 7AE |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 9 V | 9 V |
| Heater current | 0.3 A | 0.3 A |
Voltage Radio Detector Converter
The database records LZ319 as a possible replacement for9U8.
No special restrictions are recorded for this substitution.
| Specification | LZ319 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | B9A | 9AE |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 9 V | 9 V |
| Heater current | 0.3 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 LZ319 specifications →