Tube cross-reference
6CL8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6CL8 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6CL8
The following tubes are recorded as possible replacements for 6CL8. This direction does not establish that 6CL8 can replace them.
Voltage Triode Pentode
The database records 6BE8A as a possible replacement for6CL8.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Triode Pentode |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6BR8A as a possible replacement for6CL8.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8A as a possible replacement for6CL8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Tetrode-Triode |
| Base | Not recorded | 9FX |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 6FV8 as a possible replacement for6CL8.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Triode Pentode |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6FV8A as a possible replacement for6CL8.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Where 6CL8 can be used as the replacement
In these recorded relationships, 6CL8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6CL8.
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6AT8.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9DW |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6AT8A.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9DW |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 6CL8 as a possible replacement for6BE8.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Triode Pentode |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 6CL8 as a possible replacement for6BE8A.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Triode Pentode |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6BR8.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6BR8A.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6CL8A.
No special restrictions are recorded for this substitution.
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Tetrode-Triode |
| Base | Not recorded | 9FX |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Triode Pentode
The database records 6CL8 as a possible replacement for6FV8.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Triode Pentode |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage Radio Detector Converter
The database records 6CL8 as a possible replacement for6FV8A.
- Not suitable for all circuits
| Specification | 6CL8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Radio Detector Converter | Voltage Radio Detector Converter |
| Construction | Tetrode-Triode | Pentode-Triode |
| Base | Not recorded | 9FA |
| Socket | Not recorded | B9A |
| Base pins | 9 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 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 6CL8 specifications →