Tube cross-reference
6101 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6101 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6101
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.
6J6WA Voltage - Dual Triode (similar high frequency)
- Base
- 78F
- Socket
- B7G
- Base pins
- 7
- Sections
- 2
- Heater voltage
- 6.3 V
- Heater current
- 0.45 A
Replacement tubes for 6101
The following tubes are recorded as possible replacements for 6101. This direction does not establish that 6101 can replace them.
Voltage - Dual Triode (similar)
The database records 6099 as a possible replacement for6101.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | Not recorded |
| Socket | B7G | IO |
| Base pins | 7 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Dual Triode (similar high frequency)
The database records 6J6WA as a possible replacement for6101.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar high frequency) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | 78F |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Triode Single (under 10W)
The database records ECC91 as a possible replacement for6101.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Power - Triode Single (under 10W) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | Miniature |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Dual Triode (similar high frequency)
The database records M8081 as a possible replacement for6101.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar high frequency) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | Not recorded |
| Socket | B7G | Not recorded |
| Base pins | 7 | Not recorded |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Where 6101 can be used as the replacement
In these recorded relationships, 6101 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6101.
Voltage - Dual Triode (similar)
The database records 6101 as a possible replacement for6099.
No special restrictions are recorded for this substitution.
| Specification | 6101 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | Not recorded |
| Socket | B7G | IO |
| Base pins | 7 | 8 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Dual Triode (similar high frequency)
The database records 6101 as a possible replacement for6J6W.
No special restrictions are recorded for this substitution.
| Specification | 6101 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar high frequency) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | 7BF |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Dual Triode (similar high frequency)
The database records 6101 as a possible replacement for6J6WA.
No special restrictions are recorded for this substitution.
| Specification | 6101 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar high frequency) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | 78F |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Voltage - Dual Triode (similar high frequency)
The database records 6101 as a possible replacement for6J6.
No special restrictions are recorded for this substitution.
| Specification | 6101 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage - Dual Triode (similar high frequency) |
| Construction | Triode-Triode | Triode-Triode |
| Base | 7BF | 7BF |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| 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 6101 specifications →