Tube cross-reference
958A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 958A power - triode single (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 958A
The following tubes are recorded as possible replacements for 958A. This direction does not establish that 958A can replace them.
Voltage - Triode (single high frequency)
The database records D2C as a possible replacement for958A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Triode Single (under 10W) | 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 | 0.1 A | 0.1 A |
Where 958A can be used as the replacement
In these recorded relationships, 958A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 958A.
Voltage - Triode (single high frequency)
The database records 958A as a possible replacement forD2C.
No special restrictions are recorded for this substitution.
| Specification | 958A replacement | Original tube |
|---|---|---|
| Tube type | Power - Triode Single (under 10W) | 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 | 0.1 A | 0.1 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 958A specifications →