Tube cross-reference
E188CC alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the E188CC voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for E188CC
The following tubes are recorded as possible replacements for E188CC. This direction does not establish that E188CC can replace them.
Voltage - Dual Triode (dissimilar)
The database records 7308 as a possible replacement forE188CC.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (dissimilar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | Noval | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.335 A | 0.335 A |
Where E188CC can be used as the replacement
In these recorded relationships, E188CC is the replacement tube. The listed original tubes are not automatically suitable as replacements for E188CC.
Voltage - Dual Triode (dissimilar)
The database records E188CC as a possible replacement for7308.
No special restrictions are recorded for this substitution.
| Specification | E188CC replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (dissimilar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | Noval | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.335 A | 0.335 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 E188CC specifications →