Tube cross-reference
6AS6W alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6AS6W voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6AS6W
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.
5725 Voltage Radio Detector Converter
- Base
- E7-1
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.175 A
Replacement tubes for 6AS6W
The following tubes are recorded as possible replacements for 6AS6W. This direction does not establish that 6AS6W can replace them.
Voltage Radio Detector Converter
The database records 5725 as a possible replacement for6AS6W.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7CM | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 6187 as a possible replacement for6AS6W.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 A |
Where 6AS6W can be used as the replacement
In these recorded relationships, 6AS6W is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AS6W.
Voltage Radio Detector Converter
The database records 6AS6W as a possible replacement for5725.
No special restrictions are recorded for this substitution.
| Specification | 6AS6W replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | 7CM | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 6AS6W as a possible replacement for6187.
No special restrictions are recorded for this substitution.
| Specification | 6AS6W replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 6AS6W as a possible replacement for6AS6.
No special restrictions are recorded for this substitution.
| Specification | 6AS6W replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 7CM | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 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 6AS6W specifications →