Tube cross-reference
6DA7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6DA7 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.
Where 6DA7 can be used as the replacement
In these recorded relationships, 6DA7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6DA7.
6CS7
Receiving TubesPower - TV Vertical Output
The database records 6DA7 as a possible replacement for6CS7.
- Parallel heater circuits only
| Specification | 6DA7 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 9EF | 9EF |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1 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 6DA7 specifications →