Tube cross-reference
13EM7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 13EM7 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 13EM7
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
15EA7 Power - TV Vertical Output
- Base
- 8B0
- Socket
- IO
- Base pins
- 8
- Sections
- 2
- Heater voltage
- 14.8 V
- Heater current
- 0.45 A
Replacement tubes for 13EM7
The following tubes are recorded as possible replacements for 13EM7. This direction does not establish that 13EM7 can replace them.
Power - TV Vertical Output
The database records 15EA7 as a possible replacement for13EM7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8B0 | 8B0 |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 13 V | 14.8 V |
| Heater current | 0.45 A | 0.45 A |
Where 13EM7 can be used as the replacement
In these recorded relationships, 13EM7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 13EM7.
Power - TV Vertical Output
The database records 13EM7 as a possible replacement for15EA7.
No special restrictions are recorded for this substitution.
| Specification | 13EM7 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Vertical Output | Power - TV Vertical Output |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8B0 | 8B0 |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 13 V | 14.8 V |
| Heater current | 0.45 A | 0.45 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 13EM7 specifications →