Tube cross-reference
957 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 957 voltage - triode (single high frequency). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 957
The following tubes are recorded as possible replacements for 957. This direction does not establish that 957 can replace them.
Voltage - Triode (single high frequency)
The database records D1C as a possible replacement for957.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 5BD | Not recorded |
| Socket | ACORN5 | Not recorded |
| Base pins | 5 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 V |
| Heater current | 0.05 A | 0.05 A |
Where 957 can be used as the replacement
In these recorded relationships, 957 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 957.
Voltage - Triode (single high frequency)
The database records 957 as a possible replacement forD1C.
No special restrictions are recorded for this substitution.
| Specification | 957 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 5BD | Not recorded |
| Socket | ACORN5 | Not recorded |
| Base pins | 5 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 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 957 specifications →