Tube cross-reference
E1F alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the E1F voltage pentode - high frequency (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for E1F
The following tubes are recorded as possible replacements for E1F. This direction does not establish that E1F can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 954 as a possible replacement forE1F.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 5BB |
| Socket | Not recorded | ACORN7 |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Where E1F can be used as the replacement
In these recorded relationships, E1F is the replacement tube. The listed original tubes are not automatically suitable as replacements for E1F.
Voltage - Triode (single high frequency)
The database records E1F as a possible replacement for5731.
No special restrictions are recorded for this substitution.
| Specification | E1F replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage - Triode (single high frequency) |
| Construction | Pentode | Triode |
| Base | Not recorded | 5BC |
| Socket | Not recorded | Not recorded |
| Base pins | Not recorded | 5 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage Pentode - Sharp Cutoff (single)
The database records E1F as a possible replacement for954.
No special restrictions are recorded for this substitution.
| Specification | E1F replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 5BB |
| Socket | Not recorded | ACORN7 |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 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 E1F specifications →