Tube cross-reference
2BA2 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 2BA2 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 2BA2
The following tubes are recorded as possible replacements for 2BA2. This direction does not establish that 2BA2 can replace them.
Rectifier - TV Line Scan Boost
The database records 2AV2 as a possible replacement for2BA2.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 1.8 V | 1.8 V |
| Heater current | 0.3 A | 0.225 A |
Where 2BA2 can be used as the replacement
In these recorded relationships, 2BA2 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 2BA2.
Rectifier - TV Line Scan Boost
The database records 2BA2 as a possible replacement for2AV2.
No special restrictions are recorded for this substitution.
| Specification | 2BA2 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Rectifier - TV Line Scan Boost |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 1.8 V | 1.8 V |
| Heater current | 0.3 A | 0.225 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 2BA2 specifications →