Tube cross-reference
XF184 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the XF184 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of XF184
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.
3EJ7 Voltage Pentode - Sharp Cutoff (single)
- Base
- E9-1
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 3.15 V
- Heater current
- 0.6 A
Replacement tubes for XF184
The following tubes are recorded as possible replacements for XF184. This direction does not establish that XF184 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 3EJ7 as a possible replacement forXF184.
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 | E9-1 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.8 A | 0.6 A |
Where XF184 can be used as the replacement
In these recorded relationships, XF184 is the replacement tube. The listed original tubes are not automatically suitable as replacements for XF184.
Voltage Pentode - Remote Cutoff (single)
The database records XF184 as a possible replacement for3EH7.
No special restrictions are recorded for this substitution.
| Specification | XF184 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | E9-1 | 9AQ |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.8 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records XF184 as a possible replacement for3EJ7.
No special restrictions are recorded for this substitution.
| Specification | XF184 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | E9-1 | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.8 A | 0.6 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 XF184 specifications →