Tube cross-reference
6L10 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6L10 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6L10
The following tubes are recorded as possible replacements for 6L10. This direction does not establish that 6L10 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6AG7 as a possible replacement for6L10.
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 | K8/18 | B8-21 |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.65 A | 0.65 A |
Where 6L10 can be used as the replacement
In these recorded relationships, 6L10 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6L10.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6L10 as a possible replacement for6AG7.
No special restrictions are recorded for this substitution.
| Specification | 6L10 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | K8/18 | B8-21 |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.65 A | 0.65 A |
Power - Pentode (NOT beam)
The database records 6L10 as a possible replacement for6AK7.
No special restrictions are recorded for this substitution.
| Specification | 6L10 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode (NOT beam) |
| Construction | Pentode | Pentode |
| Base | K8/18 | 8Y |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.65 A | 0.65 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 6L10 specifications →