Tube cross-reference
EH900S alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EH900S heptode. Compare core specifications and verify every restriction before using a replacement.
Where EH900S can be used as the replacement
In these recorded relationships, EH900S is the replacement tube. The listed original tubes are not automatically suitable as replacements for EH900S.
5915
Foreign To AmericanHeptode
The database records EH900S as a possible replacement for5915.
No special restrictions are recorded for this substitution.
| Specification | EH900S replacement | Original tube |
|---|---|---|
| Tube type | Heptode | Heptode |
| Construction | Heptode | Heptode |
| Base | Not recorded | 7CH |
| Socket | B7G | B9A |
| 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 EH900S specifications →