Tube cross-reference
6BN5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6BN5 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6BN5
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.
EL85 Power - Pentode Single (NOT beam) (under 10W)
- Base
- B9A
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.2 A
Replacement tubes for 6BN5
The following tubes are recorded as possible replacements for 6BN5. This direction does not establish that 6BN5 can replace them.
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 | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 9CR | B9A |
| 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 6BN5 can be used as the replacement
In these recorded relationships, 6BN5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6BN5.
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 | 6BN5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 9CR | B9A |
| 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 6BN5 specifications →