Tube cross-reference
EL504 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EL504 power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for EL504
The following tubes are recorded as possible replacements for EL504. This direction does not establish that EL504 can replace them.
Power - TV Horizontal Output (sweep)
The database records 6GB5 as a possible replacement forEL504.
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 | Pentode | BeamPower |
| Base | 9C18 | 9NH |
| Socket | B9D | B9D |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 1.38 A | 1.38 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 EL504 specifications →