Tube Substitutions for:
3B4
Beam Power Amplifier
| Type | Substitutes | Base Diagram |
|---|---|---|
| 3B4 | 3B4WA |  |
| Web References | 3B4 (Mazda-Belvu) @ Franks Electron Tubes 3B4 (Hytron) @ Franks Electron Tubes 3B4 @ RadioMuseum.org | |
Beam Power Amplifier
MECHANICAL DATA
| Basing | 7CY |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 2.5/1.25 | Volts |
| Heater Current | 0.165/0.33 | A |