Tube Substitutions for:
4HM6
Sharp-Cutoff Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4HM6 | 4HT6, 4EH7, 4EJ7, 4JC6, 4JC6A, 4JD6 |  |
| Web References | 4HM6 (RCA (HB3)) @ Franks Electron Tubes 4HM6 (Tung-Sol) @ Franks Electron Tubes 4HM6 @ RadioMuseum.org | |
Sharp-Cutoff Pentode
MECHANICAL DATA
| Basing | 9PM |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 4.2 | Volts |
| Heater Current | 0.45 | A |