Tube cross-reference
LF184 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the LF184 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of LF184
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.
4EJ7 Voltage Pentode - Sharp Cutoff (single)
- Base
- 9A0
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 4.4 V
- Heater current
- 0.45 A
Replacement tubes for LF184
The following tubes are recorded as possible replacements for LF184. This direction does not establish that LF184 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 4EJ7 as a possible replacement forLF184.
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 | Not recorded | 9A0 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 4.4 V | 4.4 V |
| Heater current | 0.45 A | 0.45 A |
Where LF184 can be used as the replacement
In these recorded relationships, LF184 is the replacement tube. The listed original tubes are not automatically suitable as replacements for LF184.
Voltage Pentode - Sharp Cutoff (single)
The database records LF184 as a possible replacement for4EJ7.
No special restrictions are recorded for this substitution.
| Specification | LF184 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9A0 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 4.4 V | 4.4 V |
| Heater current | 0.45 A | 0.45 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 LF184 specifications →