Tube cross-reference
EF13 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EF13 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for EF13
The following tubes are recorded as possible replacements for EF13. This direction does not establish that EF13 can replace them.
Voltage Pentode - Remote Cutoff (single)
The database records 6DA6 as a possible replacement forEF13.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9BA |
| Socket | Not recorded | B9A |
| Base pins | Not recorded | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 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 EF13 specifications →