Tube cross-reference
ECL80 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the ECL80 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of ECL80
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.
6AB8 Voltage Triode Pentode
- Base
- DAT
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for ECL80
The following tubes are recorded as possible replacements for ECL80. This direction does not establish that ECL80 can replace them.
Voltage Triode Pentode
The database records 6AB8 as a possible replacement forECL80.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Triode Pentode |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | B9A | DAT |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where ECL80 can be used as the replacement
In these recorded relationships, ECL80 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ECL80.
Voltage Triode Pentode
The database records ECL80 as a possible replacement for6AB8.
No special restrictions are recorded for this substitution.
| Specification | ECL80 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Triode Pentode |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | B9A | DAT |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 ECL80 specifications →