Tube cross-reference
7732 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7732 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Where 7732 can be used as the replacement
In these recorded relationships, 7732 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7732.
Voltage Pentode
The database records 7732 as a possible replacement for6CB6.
No special restrictions are recorded for this substitution.
| Specification | 7732 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | E7-1 / 7CM | 7CM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 7732 specifications →