Tube cross-reference
6SK7W alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6SK7W voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Where 6SK7W can be used as the replacement
In these recorded relationships, 6SK7W is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SK7W.
Voltage Pentode - Remote Cutoff (single)
The database records 6SK7W as a possible replacement for6SK7.
No special restrictions are recorded for this substitution.
| Specification | 6SK7W replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 8N | RTMA 8N |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| 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 6SK7W specifications →