Tube cross-reference
7AH7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7AH7 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 7AH7
The following tubes are recorded as possible replacements for 7AH7. This direction does not establish that 7AH7 can replace them.
Voltage Pentode
The database records 7AG7 as a possible replacement for7AH7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 7 V |
| Heater current | 0.15 A | 0.16 A |
Voltage Pentode - Remote Cutoff (single)
The database records 7B7 as a possible replacement for7AH7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage Pentode - Remote Cutoff (single)
The database records 7H7 as a possible replacement for7AH7.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 A |
Where 7AH7 can be used as the replacement
In these recorded relationships, 7AH7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7AH7.
Voltage Pentode
The database records 7AH7 as a possible replacement for7AG7.
No special restrictions are recorded for this substitution.
| Specification | 7AH7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 7 V |
| Heater current | 0.15 A | 0.16 A |
Voltage Pentode - Remote Cutoff (single)
The database records 7AH7 as a possible replacement for7B7.
No special restrictions are recorded for this substitution.
| Specification | 7AH7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Voltage Pentode - Remote Cutoff (single)
The database records 7AH7 as a possible replacement for7H7.
- Parallel heater circuits only
| Specification | 7AH7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 8V | 8V |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.3 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 7AH7 specifications →