Tube cross-reference
6188 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6188 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6188
The following tubes are recorded as possible replacements for 6188. This direction does not establish that 6188 can replace them.
Voltage - Dual Triode (similar)
The database records 6SU7WGT as a possible replacement for6188.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | Not recorded | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | Not recorded |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where 6188 can be used as the replacement
In these recorded relationships, 6188 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6188.
Voltage - Dual Triode (similar)
The database records 6188 as a possible replacement for6SU7WGT.
No special restrictions are recorded for this substitution.
| Specification | 6188 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | Not recorded | Not recorded |
| Socket | IO | IO |
| Base pins | 8 | Not recorded |
| 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 6188 specifications →