Tube Substitutions for:
4GX7
Medium-Mu Triode - Sharp-Cutoff Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 4GX7 | 4GJ7, 4GJ7 |  |
| Web References | 4GX7 (RMA/EIA) @ Franks Electron Tubes 4GX7 @ RadioMuseum.org | |
Medium-Mu Triode - Sharp-Cutoff Pentode
MECHANICAL DATA
| Basing | 9QA |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 4.2 | Volts |
| Heater Current | 0.6 | A |