Tube cross-reference
5687 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5687 power - triode single (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5687
The following tubes are recorded as possible replacements for 5687. This direction does not establish that 5687 can replace them.
Voltage - Dual Triode (similar)
The database records 5687WA as a possible replacement for5687.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Triode Single (under 10W) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 9H | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 12.6 V | 12.6 V |
| Heater current | 0.45 A | 0.45 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 5687 specifications →