Tube cross-reference
6C4WA alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6C4WA voltage - triode (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6C4WA
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.
6100 Voltage - Triode (single)
- Base
- Not recorded
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.15 A
Replacement tubes for 6C4WA
The following tubes are recorded as possible replacements for 6C4WA. This direction does not establish that 6C4WA can replace them.
Voltage - Triode (single)
The database records 6100 as a possible replacement for6C4WA.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single) | Voltage - Triode (single) |
| Construction | Triode | Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage - Triode (single high frequency)
The database records 6135 as a possible replacement for6C4WA.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | Not recorded | 6BG |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.175 A |
Where 6C4WA can be used as the replacement
In these recorded relationships, 6C4WA is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6C4WA.
Voltage - Triode (single)
The database records 6C4WA as a possible replacement for6100.
No special restrictions are recorded for this substitution.
| Specification | 6C4WA replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single) | Voltage - Triode (single) |
| Construction | Triode | Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage - Triode (single high frequency)
The database records 6C4WA as a possible replacement for6135.
- Parallel heater circuits only
| Specification | 6C4WA replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | Not recorded | 6BG |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.175 A |
Voltage - Triode (single)
The database records 6C4WA as a possible replacement for6C4W.
No special restrictions are recorded for this substitution.
| Specification | 6C4WA replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single) | Voltage - Triode (single) |
| Construction | Triode | Triode |
| Base | Not recorded | 9U |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Power - Triode Single (under 10W)
The database records 6C4WA as a possible replacement for6C4.
No special restrictions are recorded for this substitution.
| Specification | 6C4WA replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single) | Power - Triode Single (under 10W) |
| Construction | Triode | Triode |
| Base | Not recorded | 6BG |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 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 6C4WA specifications →