Tube cross-reference
954 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 954 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 954
The following tubes are recorded as possible replacements for 954. This direction does not establish that 954 can replace them.
Voltage Pentode - High Frequency (single)
The database records E1F as a possible replacement for954.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 5BB | Not recorded |
| Socket | ACORN7 | Not recorded |
| Base pins | 7 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Where 954 can be used as the replacement
In these recorded relationships, 954 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 954.
Voltage Pentode - High Frequency (single)
The database records 954 as a possible replacement forE1F.
No special restrictions are recorded for this substitution.
| Specification | 954 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 5BB | Not recorded |
| Socket | ACORN7 | Not recorded |
| Base pins | 7 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage - Triode (with diode, heptode or hexode)
The database records 954 as a possible replacement forEBC3.
No special restrictions are recorded for this substitution.
| Specification | 954 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Pentode | Diode-Diode-Triode |
| Base | 5BB | Not recorded |
| Socket | ACORN7 | SIDE8 |
| Base pins | 7 | Not recorded |
| Sections | 1 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.2 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 954 specifications →