Tube cross-reference
EB91 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EB91 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for EB91
The following tubes are recorded as possible replacements for EB91. This direction does not establish that EB91 can replace them.
Diode (NOT rectifier)
The database records 6AL5 as a possible replacement forEB91.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | MINIATURE | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where EB91 can be used as the replacement
In these recorded relationships, EB91 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EB91.
Diode (NOT rectifier)
The database records EB91 as a possible replacement for5726.
No special restrictions are recorded for this substitution.
| Specification | EB91 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | MINIATURE | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Diode (NOT rectifier)
The database records EB91 as a possible replacement for6058.
No special restrictions are recorded for this substitution.
| Specification | EB91 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | MINIATURE | 6BT |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Diode (NOT rectifier)
The database records EB91 as a possible replacement for6AL5.
No special restrictions are recorded for this substitution.
| Specification | EB91 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | MINIATURE | E7-1 |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Diode (NOT rectifier)
The database records EB91 as a possible replacement for6EB5.
No special restrictions are recorded for this substitution.
| Specification | EB91 replacement | Original tube |
|---|---|---|
| Tube type | Diode (NOT rectifier) | Diode (NOT rectifier) |
| Construction | Diode-Diode | Diode-Diode |
| Base | MINIATURE | 6BT |
| Socket | B7G | Not recorded |
| Base pins | 7 | 9 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 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 EB91 specifications →