Tube cross-reference
M8161 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the M8161 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of M8161
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.
Where M8161 can be used as the replacement
In these recorded relationships, M8161 is the replacement tube. The listed original tubes are not automatically suitable as replacements for M8161.
Voltage Pentode - Remote Cutoff (single)
The database records M8161 as a possible replacement for6065.
No special restrictions are recorded for this substitution.
| Specification | M8161 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 7DB |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.3 A |
Voltage Pentode - Remote Cutoff (single)
The database records M8161 as a possible replacement for6CQ6.
No special restrictions are recorded for this substitution.
| Specification | M8161 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 7DB |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 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 M8161 specifications →