Tube cross-reference
5901 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5901 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5901
The following tubes are recorded as possible replacements for 5901. This direction does not establish that 5901 can replace them.
Voltage Pentode - High Frequency (single)
The database records EF72 as a possible replacement for5901.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 8DL | Not recorded |
| Socket | B8D | WIRE8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage Pentode - High Frequency (single)
The database records EF732 as a possible replacement for5901.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 8DL | B8D/F |
| Socket | B8D | WIRE8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Where 5901 can be used as the replacement
In these recorded relationships, 5901 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5901.
Voltage Pentode - High Frequency (single)
The database records 5901 as a possible replacement forEF732.
No special restrictions are recorded for this substitution.
| Specification | 5901 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 8DL | B8D/F |
| Socket | B8D | WIRE8 |
| Base pins | 8 | 8 |
| 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 5901 specifications →