Tube cross-reference
6DS8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6DS8 voltage - radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6DS8
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
ECH83 Voltage - Triode (with diode, heptode or hexode)
- Base
- 9C12
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for 6DS8
The following tubes are recorded as possible replacements for 6DS8. This direction does not establish that 6DS8 can replace them.
Voltage - Triode (with diode, heptode or hexode)
The database records ECH83 as a possible replacement for6DS8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Heptode-Triode | Hexode-Triode |
| Base | 9CA | 9C12 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where 6DS8 can be used as the replacement
In these recorded relationships, 6DS8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6DS8.
Voltage - Triode (with diode, heptode or hexode)
The database records 6DS8 as a possible replacement forECH83.
No special restrictions are recorded for this substitution.
| Specification | 6DS8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Radio Detector Converter | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Heptode-Triode | Hexode-Triode |
| Base | 9CA | 9C12 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 6DS8 specifications →