Tube cross-reference
6AY3A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6AY3A rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6AY3A
The following tubes are recorded as possible replacements for 6AY3A. This direction does not establish that 6AY3A can replace them.
Rectifier - Damper Diode
The database records 6AY3 as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | Not recorded |
| Socket | B9E | B9E |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 0.75 A |
Rectifier - Damper Diode
The database records 6AY3B as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6BA3 as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6BH3 as a possible replacement for6AY3A.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | Not recorded |
| Socket | B9E | B9E |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 0.6 A |
Rectifier - Damper Diode
The database records 6BH3A as a possible replacement for6AY3A.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.6 A |
Rectifier - Damper Diode
The database records 6BS3A as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6CK3 as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6CL3 as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6DW4B as a possible replacement for6AY3A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Where 6AY3A can be used as the replacement
In these recorded relationships, 6AY3A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AY3A.
Rectifier - Damper Diode
The database records 6AY3A as a possible replacement for6AY3.
No special restrictions are recorded for this substitution.
| Specification | 6AY3A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | Not recorded |
| Socket | B9E | B9E |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 0.75 A |
Rectifier - Damper Diode
The database records 6AY3A as a possible replacement for6AY3B.
No special restrictions are recorded for this substitution.
| Specification | 6AY3A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Rectifier - Damper Diode
The database records 6AY3A as a possible replacement for6BA3.
No special restrictions are recorded for this substitution.
| Specification | 6AY3A replacement | Original tube |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | Rectifier | Rectifier |
| Base | Not recorded | 9HP |
| Socket | B9E | Not recorded |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 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 6AY3A specifications →