Tube cross-reference
ECH83 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the ECH83 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.
Exact variations of ECH83
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.
6DS8 Voltage Radio Detector Converter
- Base
- 9CA
- Socket
- B9A
- Base pins
- 9
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for ECH83
The following tubes are recorded as possible replacements for ECH83. This direction does not establish that ECH83 can replace them.
Voltage Radio Detector Converter
The database records 6DS8 as a possible replacement forECH83.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage Radio Detector Converter |
| Construction | Hexode-Triode | Heptode-Triode |
| Base | 9C12 | 9CA |
| 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 ECH83 can be used as the replacement
In these recorded relationships, ECH83 is the replacement tube. The listed original tubes are not automatically suitable as replacements for ECH83.
Voltage Radio Detector Converter
The database records ECH83 as a possible replacement for6DS8.
No special restrictions are recorded for this substitution.
| Specification | ECH83 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage Radio Detector Converter |
| Construction | Hexode-Triode | Heptode-Triode |
| Base | 9C12 | 9CA |
| 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 ECH83 specifications →