Tube cross-reference
7B5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7B5 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 7B5
The following tubes are recorded as possible replacements for 7B5. This direction does not establish that 7B5 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 7B5LT as a possible replacement for7B5.
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 | 6AE | 6AE |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.4 A |
Power - Beam (NOT sweep)
The database records 7C5 as a possible replacement for7B5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 6AE | 6AA |
| Socket | B8G | LOCTAL8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.45 A |
Power - Beam (NOT sweep)
The database records 7C5LT as a possible replacement for7B5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 6AE | 6AA |
| Socket | B8G | LOCTAL8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.45 A |
Where 7B5 can be used as the replacement
In these recorded relationships, 7B5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7B5.
Power - Pentode Single (NOT beam) (under 10W)
The database records 7B5 as a possible replacement for7B5LT.
No special restrictions are recorded for this substitution.
| Specification | 7B5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 6AE | 6AE |
| Socket | B8G | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.4 A |
Power - Beam (NOT sweep)
The database records 7B5 as a possible replacement for7C5.
- Parallel heater circuits only
| Specification | 7B5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 6AE | 6AA |
| Socket | B8G | LOCTAL8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 A | 0.45 A |
Power - Beam (NOT sweep)
The database records 7B5 as a possible replacement for7C5LT.
- Parallel heater circuits only
| Specification | 7B5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 6AE | 6AA |
| Socket | B8G | LOCTAL8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.4 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 7B5 specifications →