Tube cross-reference
1AB6 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1AB6 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 1AB6
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.
DK96 Voltage Pentode or Tetrode (under 100V)
- Base
- B7G
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 1.4 V
- Heater current
- 0.025 A
Replacement tubes for 1AB6
The following tubes are recorded as possible replacements for 1AB6. This direction does not establish that 1AB6 can replace them.
Voltage - Triode (single)
The database records 1C3 as a possible replacement for1AB6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage - Triode (single) |
| Construction | Heptode | Triode |
| Base | 7DH | 5CF |
| Socket | B7G | Not recorded |
| Base pins | 7 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.05 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1H35 as a possible replacement for1AB6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Heptode | Heptode |
| Base | 7DH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.6 V |
| Heater current | 0.025 A | 0.05 A |
Voltage Pentode or Tetrode (under 100V)
The database records DK96 as a possible replacement for1AB6.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Heptode | Heptode |
| Base | 7DH | B7G |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Where 1AB6 can be used as the replacement
In these recorded relationships, 1AB6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1AB6.
Voltage - Triode (single)
The database records 1AB6 as a possible replacement for1C3.
No special restrictions are recorded for this substitution.
| Specification | 1AB6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage - Triode (single) |
| Construction | Heptode | Triode |
| Base | 7DH | 5CF |
| Socket | B7G | Not recorded |
| Base pins | 7 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.05 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1AB6 as a possible replacement for1H35.
No special restrictions are recorded for this substitution.
| Specification | 1AB6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Heptode | Heptode |
| Base | 7DH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.6 V |
| Heater current | 0.025 A | 0.05 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1AB6 as a possible replacement forDK96.
No special restrictions are recorded for this substitution.
| Specification | 1AB6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Heptode | Heptode |
| Base | 7DH | B7G |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1AB6 as a possible replacement for1AC6.
- Parallel heater circuits only
| Specification | 1AB6 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (under 100V) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Heptode | Heptode |
| Base | 7DH | 7DH |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.05 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 1AB6 specifications →