Tube cross-reference
6AN8 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6AN8 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6AN8
The following tubes are recorded as possible replacements for 6AN8. This direction does not establish that 6AN8 can replace them.
Voltage Triode Pentode
The database records 6AN8A as a possible replacement for6AN8.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Triode Pentode |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9DA | 9DA |
| Socket | B9A | 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 6AN8 can be used as the replacement
In these recorded relationships, 6AN8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AN8.
Voltage Triode Pentode
The database records 6AN8 as a possible replacement for6AN8A.
- Parallel heater circuits only
- No-warmup series circuits only
| Specification | 6AN8 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Triode Pentode | Voltage Triode Pentode |
| Construction | Pentode-Triode | Pentode-Triode |
| Base | 9DA | 9DA |
| Socket | B9A | 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 6AN8 specifications →