Tube cross-reference
EF806S alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EF806S voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Where EF806S can be used as the replacement
In these recorded relationships, EF806S is the replacement tube. The listed original tubes are not automatically suitable as replacements for EF806S.
Voltage Pentode
The database records EF806S as a possible replacement for6267.
No special restrictions are recorded for this substitution.
| Specification | EF806S replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 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 EF806S specifications →