Tube Substitutions for:
VT-221
Beam Power Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| VT-221 |  | |
| Web References | VT-221 @ RadioMuseum.org | |
Beam Power Pentode
MECHANICAL DATA
| Basing | 7AQ |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 1.4 | Volts |
| Heater Current | 0.1 | A |