Tube cross-reference
6U10 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6U10 voltage - triple triode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6U10
The following tubes are recorded as possible replacements for 6U10. This direction does not establish that 6U10 can replace them.
Voltage - Triple Triode
The database records 6AC10 as a possible replacement for6U10.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triple Triode | Voltage - Triple Triode |
| Construction | Triode-Triode-Triode | Triode-Triode-Triode |
| Base | EIA 12FE | E12-70 |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.6 A | 0.6 A |
Where 6U10 can be used as the replacement
In these recorded relationships, 6U10 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6U10.
Voltage - Triple Triode
The database records 6U10 as a possible replacement for6AC10.
- Not suitable for all circuits
| Specification | 6U10 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triple Triode | Voltage - Triple Triode |
| Construction | Triode-Triode-Triode | Triode-Triode-Triode |
| Base | EIA 12FE | E12-70 |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 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 6U10 specifications →