Tube Substitutions for:
1633
Medium-Mu Twin Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1633 |  | |
| Web References | 1633 (RCA (HB3)) @ Franks Electron Tubes 1633 @ RadioMuseum.org | |
Medium-Mu Twin Triode
MECHANICAL DATA
| Basing | 8BD |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 25 | Volts |
| Heater Current | 0.15 | A |