Tube cross-reference
7693 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7693 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 7693
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.
E90F Voltage Pentode - Sharp Cutoff (single)
- Base
- Not recorded
- Socket
- B9A
- Base pins
- 9
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.15 A
Replacement tubes for 7693
The following tubes are recorded as possible replacements for 7693. This direction does not establish that 7693 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records E90F as a possible replacement for7693.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B7G | B9A |
| Base pins | 7 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 A |
Where 7693 can be used as the replacement
In these recorded relationships, 7693 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7693.
Voltage Pentode - Sharp Cutoff (single)
The database records 7693 as a possible replacement for6BH6.
No special restrictions are recorded for this substitution.
| Specification | 7693 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.15 A | 0.15 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 7693 specifications →