Tube Substitutions for:
1LH4
Diode - High Mu Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1LH4 |  | |
| Web References | 1LH4 (RCA (HB3)) @ Franks Electron Tubes 1LH4 (Tung-Sol) @ Franks Electron Tubes 1LH4 @ RadioMuseum.org | |
| Type | Substitutes | Base Diagram |
|---|---|---|
| 1LH4 | | |
| Web References | 1LH4 (RCA (HB3)) @ Franks Electron Tubes 1LH4 (Tung-Sol) @ Franks Electron Tubes 1LH4 @ RadioMuseum.org | |
| Bulb | T-9 |
| Outline | 9-30 |
| Base | Lock-in 8-Pin |
| Basing | 5AG |
| Mounting Position | Any |
| Filament Voltage D C | 1.4 | Volts |
| Filament Current | 50 | Ma |
| Filament Voltage (D C) (Abs. Max.) | 1.6 | Volts |
| Plate Voltage | 90 | Volts |
| Grid No. 1 Voltage1 | 0 | Volts |
| Plate Current | 15 | Ma |
| Transconductance | 275 | �mhos |
| Amplification Factor | 65 | x |
| Plate Resistance | 0.24 | Megohm |
| 1 | A resistor of at least 1.0 megohm should be in the grid return. The negative filament voltage should be connected to Pin 8. |