Tube cross-reference
6GB5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6GB5 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6GB5
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.
EL500 Power - TV Horizontal Output (sweep)
- Base
- 9NH
- Socket
- B9D
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 1.3 A
Replacement tubes for 6GB5
The following tubes are recorded as possible replacements for 6GB5. This direction does not establish that 6GB5 can replace them.
Power - TV Horizontal Output (sweep)
The database records EL500 as a possible replacement for6GB5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 9NH | 9NH |
| Socket | B9D | B9D |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.38 A | 1.3 A |
Where 6GB5 can be used as the replacement
In these recorded relationships, 6GB5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6GB5.
Power - TV Horizontal Output (sweep)
The database records 6GB5 as a possible replacement forEL500.
No special restrictions are recorded for this substitution.
| Specification | 6GB5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | BeamPower |
| Base | 9NH | 9NH |
| Socket | B9D | B9D |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.38 A | 1.3 A |
Power - TV Horizontal Output (sweep)
The database records 6GB5 as a possible replacement forEL504.
No special restrictions are recorded for this substitution.
| Specification | 6GB5 replacement | Original tube |
|---|---|---|
| Tube type | Power - TV Horizontal Output (sweep) | Power - TV Horizontal Output (sweep) |
| Construction | BeamPower | Pentode |
| Base | 9NH | 9C18 |
| Socket | B9D | B9D |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.38 A | 1.38 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 6GB5 specifications →