Tube cross-reference
E83F alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the E83F voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of E83F
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
6689 Voltage Pentode
- Base
- Not recorded
- Socket
- B9A
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for E83F
The following tubes are recorded as possible replacements for E83F. This direction does not establish that E83F can replace them.
Voltage Pentode
The database records 6689 as a possible replacement forE83F.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 9C12 | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where E83F can be used as the replacement
In these recorded relationships, E83F is the replacement tube. The listed original tubes are not automatically suitable as replacements for E83F.
Voltage Pentode
The database records E83F as a possible replacement for6689.
No special restrictions are recorded for this substitution.
| Specification | E83F replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 9C12 | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | Not recorded |
| 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 E83F specifications →