Tube Substitutions for:
VT-28
Sharp-Cutoff Tetrode
| Type | Substitutes | Base Diagram |
|---|---|---|
| VT-28 |  | |
| Web References | VT-28 @ RadioMuseum.org | |
Sharp-Cutoff Tetrode
MECHANICAL DATA
| Basing | 5E |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 2.5 | Volts |
| Heater Current | 1.75 | A |