Tube cross-reference
ECC82 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the ECC82 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Exact variations of ECC82
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.
12AU7 Voltage - Dual Triode (similar)
- Base
- 9A
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 12.6 V
- Heater current
- 0.15 A
Replacement tubes for ECC82
The following tubes are recorded as possible replacements for ECC82. This direction does not establish that ECC82 can replace them.
Voltage - Dual Triode (similar)
The database records 12AU7 as a possible replacement forECC82.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 9A | 9A |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.15 A | 0.15 A |
Where ECC82 can be used as the replacement
In these recorded relationships, ECC82 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ECC82.
Voltage - Dual Triode (similar)
The database records ECC82 as a possible replacement for12AU7.
No special restrictions are recorded for this substitution.
| Specification | ECC82 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 9A | 9A |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.15 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 ECC82 specifications →