Tube cross-reference
3EH7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 3EH7 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 3EH7
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.
XF183 Voltage Pentode - Remote Cutoff (single)
- Base
- 9AQ
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 3.15 V
- Heater current
- 0.6 A
Replacement tubes for 3EH7
The following tubes are recorded as possible replacements for 3EH7. This direction does not establish that 3EH7 can replace them.
Voltage Pentode - Remote Cutoff (single)
The database records XF183 as a possible replacement for3EH7.
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 | 9AQ | 9AQ |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records XF184 as a possible replacement for3EH7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.8 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3EJ7 as a possible replacement for3EH7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3HM6 as a possible replacement for3EH7.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Remote Cutoff (single)
The database records 3HT6 as a possible replacement for3EH7.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3JC6 as a possible replacement for3EH7.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.5 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3JC6A as a possible replacement for3EH7.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | 9PM |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.5 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3JD6 as a possible replacement for3EH7.
- Not suitable for all circuits
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | 9PM |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.5 V |
| Heater current | 0.6 A | 0.6 A |
Where 3EH7 can be used as the replacement
In these recorded relationships, 3EH7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 3EH7.
Voltage Pentode - Remote Cutoff (single)
The database records 3EH7 as a possible replacement forXF183.
No special restrictions are recorded for this substitution.
| Specification | 3EH7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | 9AQ |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 A |
Voltage Pentode - Sharp Cutoff (single)
The database records 3EH7 as a possible replacement for3EJ7.
No special restrictions are recorded for this substitution.
| Specification | 3EH7 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 9AQ | E9-1 |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 3.15 V | 3.15 V |
| Heater current | 0.6 A | 0.6 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 3EH7 specifications →