Tube Substitutions for:
12AZ7A
Duo Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12AZ7A | 12AT7, 12AU7, 12AZ7*†, 12AT7* |  |
| Notes: | * - Parallel filaments | |
| Web References | 12AZ7A @ RadioMuseum.org | |
Duo Triode
MECHANICAL DATA
| Basing | 9A |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6/6.3 | Volts |
| Heater Current | 0.225/0.45 | A |