Tube cross-reference
EF86 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EF86 voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for EF86
The following tubes are recorded as possible replacements for EF86. This direction does not establish that EF86 can replace them.
Voltage Pentode
The database records 6267 as a possible replacement forEF86.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | NOVAL | 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 |
Where EF86 can be used as the replacement
In these recorded relationships, EF86 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EF86.
Voltage Pentode
The database records EF86 as a possible replacement for6267.
No special restrictions are recorded for this substitution.
| Specification | EF86 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | NOVAL | 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 EF86 specifications →