Tube cross-reference
KL35 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the KL35 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for KL35
The following tubes are recorded as possible replacements for KL35. This direction does not establish that KL35 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 1F5G as a possible replacement forKL35.
- Parallel heater circuits only
| 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 | G-6X |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 2 V | 2 V |
| Heater current | 0.15 A | 0.12 A |
Where KL35 can be used as the replacement
In these recorded relationships, KL35 is the replacement tube. The listed original tubes are not automatically suitable as replacements for KL35.
Power - Pentode Single (NOT beam) (under 10W)
The database records KL35 as a possible replacement for1F5G.
- Parallel heater circuits only
| Specification | KL35 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 | G-6X |
| Socket | IO | IO |
| Base pins | 8 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 2 V | 2 V |
| Heater current | 0.15 A | 0.12 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 KL35 specifications →