Tube Substitutions for:
12GN7A
Vacuum Pentode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12GN7A | 12HG7*† |  |
| Notes: | * - Parallel filaments † - Series circuit no controlled warm-up | |
| Web References | 12GN7A (General Electric) @ Franks Electron Tubes 12GN7A @ RadioMuseum.org | |
Vacuum Pentode
MECHANICAL DATA
| Basing | 9BF |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | A |