Tube cross-reference
EL83 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EL83 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of EL83
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.
6CK6 Power - Pentode Single (NOT beam) (under 10W)
- Base
- 9AR
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.71 A
Replacement tubes for EL83
The following tubes are recorded as possible replacements for EL83. This direction does not establish that EL83 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6CK6 as a possible replacement forEL83.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9AR |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.71 A | 0.71 A |
Where EL83 can be used as the replacement
In these recorded relationships, EL83 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EL83.
Power - Pentode Single (NOT beam) (under 10W)
The database records EL83 as a possible replacement for6CK6.
No special restrictions are recorded for this substitution.
| Specification | EL83 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9AR |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.71 A | 0.71 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 EL83 specifications →