Tube cross-reference
CK108 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the CK108 voltage pentode - high frequency (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for CK108
The following tubes are recorded as possible replacements for CK108. This direction does not establish that CK108 can replace them.
Voltage Radio Detector Converter
The database records 77 as a possible replacement forCK108.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Radio Detector Converter |
| Construction | Pentode | Pentode |
| Base | Not recorded | 8F |
| Socket | Not recorded | UX6 |
| Base pins | Not recorded | 6 |
| Sections | 1 | 1 |
| Heater voltage | Not recorded | 6.3 V |
| Heater current | Not recorded | 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 CK108 specifications →