Tube cross-reference
EL85 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EL85 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of EL85
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.
6BN5 Power - Pentode Single (NOT beam) (under 10W)
- Base
- 9CR
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.2 A
Replacement tubes for EL85
The following tubes are recorded as possible replacements for EL85. This direction does not establish that EL85 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6BN5 as a possible replacement forEL85.
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 | B9A | 9CR |
| 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 EL85 can be used as the replacement
In these recorded relationships, EL85 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EL85.
Power - Pentode Single (NOT beam) (under 10W)
The database records EL85 as a possible replacement for6BN5.
No special restrictions are recorded for this substitution.
| Specification | EL85 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | B9A | 9CR |
| 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 EL85 specifications →