Tube Substitutions for:
1N3
Tuning Indicator
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1N3 | 1M3, 1M3 |  |
| Web References | 1N3 (Amperex) @ Franks Electron Tubes 1N3 @ RadioMuseum.org | |
Tuning Indicator
MECHANICAL DATA
| Basing | 8EM |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 1;4 | Volts |
| Heater Current | .025 | A |