Tube cross-reference
830B alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 830B power - triode. Compare core specifications and verify every restriction before using a replacement.
Where 830B can be used as the replacement
In these recorded relationships, 830B is the replacement tube. The listed original tubes are not automatically suitable as replacements for 830B.
Power - Triode
The database records 830B as a possible replacement forRK31.
No special restrictions are recorded for this substitution.
| Specification | 830B replacement | Original tube |
|---|---|---|
| Tube type | Power - Triode | Power - Triode |
| Construction | Triode | Triode |
| Base | Not recorded | Not recorded |
| Socket | UX4 | UX4 |
| Base pins | 4 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 10 V | 7.5 V |
| Heater current | 2 A | 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 830B specifications →