Tube cross-reference
5AV8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5AV8 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5AV8
The following tubes are recorded as possible replacements for 5AV8. This direction does not establish that 5AV8 can replace them.
Voltage Radio Detector Converter
The database records 5B8 as a possible replacement for5AV8.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9DZ | 9EC |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 4.7 V | 4.7 V |
| Heater current | 0.6 A | 0.6 A |
Where 5AV8 can be used as the replacement
In these recorded relationships, 5AV8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5AV8.
Voltage Radio Detector Converter
The database records 5AV8 as a possible replacement for5B8.
- Not suitable for all circuits
| Specification | 5AV8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Radio Detector Converter |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9DZ | 9EC |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 4.7 V | 4.7 V |
| Heater current | 0.6 A | 0.6 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 5AV8 specifications →