Tube Substitutions for:
4GK5
High-Mu Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4GK5 |  | |
| Web References | 4GK5 (Sylvania) @ Franks Electron Tubes 4GK5 @ RadioMuseum.org | |
High-Mu Triode
MECHANICAL DATA
| Basing | 7FP |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 4 | Volts |
| Heater Current | 0.3 | A |