Tube cross-reference
5911 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5911 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5911
The following tubes are recorded as possible replacements for 5911. This direction does not establish that 5911 can replace them.
Voltage Pentode or Tetrode (under 100V)
The database records DF67 as a possible replacement for5911.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Pentode | Pentode |
| Base | Not recorded | SUBMINIATURE |
| Socket | B9A | WIRE8 |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 0.625 V | 0.625 V |
| Heater current | 0.0133 A | 0.0133 A |
Where 5911 can be used as the replacement
In these recorded relationships, 5911 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5911.
Voltage Pentode or Tetrode (under 100V)
The database records 5911 as a possible replacement forDF67.
No special restrictions are recorded for this substitution.
| Specification | 5911 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Pentode | Pentode |
| Base | Not recorded | SUBMINIATURE |
| Socket | B9A | WIRE8 |
| Base pins | 9 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 0.625 V | 0.625 V |
| Heater current | 0.0133 A | 0.0133 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 5911 specifications →