Tube cross-reference
25EC6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 25EC6 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 25EC6
The following tubes are recorded as possible replacements for 25EC6. This direction does not establish that 25EC6 can replace them.
Power - TV Horizontal Output (sweep)
The database records 21EX6 as a possible replacement for25EC6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | B8-110 | Not recorded |
| Socket | B9A | B9E |
| Base pins | 8 | 12 |
| Sections | 1 | 1 |
| Heater voltage | 25 V | 21.5 V |
| Heater current | 0.6 A | 0.6 A |
Power - TV Horizontal Output (sweep)
The database records 25CD6GB as a possible replacement for25EC6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | B8-110 | Not recorded |
| Socket | B9A | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 25 V | 25 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 25EC6 specifications →