Tube cross-reference
EBC91 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EBC91 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.
Exact variations of EBC91
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
6AV6 Voltage - Triode (with diode, heptode or hexode)
- Base
- 7BT
- Socket
- B7G
- Base pins
- 7
- Sections
- 3
- Heater voltage
- 6.3 V
- Heater current
- 0.3 A
Replacement tubes for EBC91
The following tubes are recorded as possible replacements for EBC91. This direction does not establish that EBC91 can replace them.
Voltage - Triode (with diode, heptode or hexode)
The database records 6AV6 as a possible replacement forEBC91.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | B7G | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where EBC91 can be used as the replacement
In these recorded relationships, EBC91 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EBC91.
Voltage - Triode (with diode, heptode or hexode)
The database records EBC91 as a possible replacement for6AT6.
No special restrictions are recorded for this substitution.
| Specification | EBC91 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | B7G | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records EBC91 as a possible replacement for6AV6.
No special restrictions are recorded for this substitution.
| Specification | EBC91 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | B7G | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records EBC91 as a possible replacement for6BK6.
No special restrictions are recorded for this substitution.
| Specification | EBC91 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | B7G | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records EBC91 as a possible replacement for6BT6.
No special restrictions are recorded for this substitution.
| Specification | EBC91 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | B7G | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| 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 EBC91 specifications →