Tube cross-reference
DF92 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the DF92 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of DF92
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.
1L4 Voltage Pentode - Sharp Cutoff (single)
- Base
- 6AR
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 1.4 V
- Heater current
- 0.05 A
Replacement tubes for DF92
The following tubes are recorded as possible replacements for DF92. This direction does not establish that DF92 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 1L4 as a possible replacement forDF92.
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 | 6AR |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.05 A | 0.05 A |
Where DF92 can be used as the replacement
In these recorded relationships, DF92 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DF92.
Voltage Pentode - Sharp Cutoff (single)
The database records DF92 as a possible replacement for1L4.
No special restrictions are recorded for this substitution.
| Specification | DF92 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 6AR |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.05 A | 0.05 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 DF92 specifications →