Tube cross-reference
2C52 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 2C52 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Where 2C52 can be used as the replacement
In these recorded relationships, 2C52 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 2C52.
12SL7GT
Receiving To Industrial TubesVoltage - Dual Triode (similar)
The database records 2C52 as a possible replacement for12SL7GT.
- Parallel heater circuits only
| Specification | 2C52 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 8BD | 8BD |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.3 A | 0.15 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 2C52 specifications →