Tube cross-reference
5961 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5961 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Where 5961 can be used as the replacement
In these recorded relationships, 5961 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5961.
Voltage Radio Detector Converter
The database records 5961 as a possible replacement for6SA7.
No special restrictions are recorded for this substitution.
| Specification | 5961 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Heptode | Heptode |
| Base | 8R | RETMA 8R |
| Socket | Not recorded | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 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 5961 specifications →