Tube cross-reference
7498 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 7498 voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Where 7498 can be used as the replacement
In these recorded relationships, 7498 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7498.
Voltage Pentode - Sharp Cutoff (single)
The database records 7498 as a possible replacement for6AM6.
No special restrictions are recorded for this substitution.
| Specification | 7498 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 7DB |
| 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 7498 specifications →