Tube cross-reference
6968 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6968 voltage pentode - high frequency (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6968
The following tubes are recorded as possible replacements for 6968. This direction does not establish that 6968 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 6AK5 as a possible replacement for6968.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 78D | 7BD |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 A |
Where 6968 can be used as the replacement
In these recorded relationships, 6968 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6968.
Voltage Pentode - Sharp Cutoff (single)
The database records 6968 as a possible replacement for6AK5.
No special restrictions are recorded for this substitution.
| Specification | 6968 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | 78D | 7BD |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.175 A | 0.175 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 6968 specifications →