Tube cross-reference
14K7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 14K7 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 14K7
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.
UCH42 Voltage - Triode (with diode, heptode or hexode)
- Base
- Not recorded
- Socket
- B8A
- Base pins
- 8
- Sections
- 2
- Heater voltage
- 14 V
- Heater current
- 0.1 A
Replacement tubes for 14K7
The following tubes are recorded as possible replacements for 14K7. This direction does not establish that 14K7 can replace them.
Voltage - Triode (with diode, heptode or hexode)
The database records UCH42 as a possible replacement for14K7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Hexode-Triode | Hexode-Triode |
| Base | LOCTAL | Not recorded |
| Socket | B8G | B8A |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 14 V | 14 V |
| Heater current | 0.15 A | 0.1 A |
Where 14K7 can be used as the replacement
In these recorded relationships, 14K7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 14K7.
Voltage - Triode (with diode, heptode or hexode)
The database records 14K7 as a possible replacement forUCH42.
No special restrictions are recorded for this substitution.
| Specification | 14K7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Hexode-Triode | Hexode-Triode |
| Base | LOCTAL | Not recorded |
| Socket | B8G | B8A |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 14 V | 14 V |
| Heater current | 0.15 A | 0.1 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 14K7 specifications →