Tube Substitutions for:
6678
Medium-Mu Triode - Sharp-Cutoff Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 6678 | 6U8A |  |
| Web References | 6678 (RCA (HB3)) @ Franks Electron Tubes 6678 (Sylvania) @ Franks Electron Tubes 6678 @ RadioMuseum.org | |
Medium-Mu Triode - Sharp-Cutoff Pentode
MECHANICAL DATA
| Basing | 9AE |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 6.3 | Volts |
| Heater Current | 0.45 | A |