Tube cross-reference
6FW5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6FW5 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Where 6FW5 can be used as the replacement
In these recorded relationships, 6FW5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6FW5.
Power - TV Horizontal Output (sweep)
The database records 6FW5 as a possible replacement for6AU5GT.
No special restrictions are recorded for this substitution.
| Specification | 6FW5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 6CK | 6CK |
| Socket | B9A | IO |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.25 A |
Power - TV Horizontal Output (sweep)
The database records 6FW5 as a possible replacement for6AV5GA.
No special restrictions are recorded for this substitution.
| Specification | 6FW5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 6CK | 6CK |
| Socket | B9A | IO |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Power - TV Horizontal Output (sweep)
The database records 6FW5 as a possible replacement for6AV5GT.
No special restrictions are recorded for this substitution.
| Specification | 6FW5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 6CK | 6CK |
| Socket | B9A | IO |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 1.2 A |
Power - TV Horizontal Output (sweep)
The database records 6FW5 as a possible replacement for6BD5GT.
- Parallel heater circuits only
| Specification | 6FW5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 6CK | 6CK |
| Socket | B9A | IO |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.2 A | 0.9 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 6FW5 specifications →