Tube Substitutions for:
12HL7
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12HL7 | 12GN7*, 12HG7, 12GN7A† |  |
| Notes: | † - Series circuit no controlled warm-up | |
| Web References | 12HL7 (General Electric) @ Franks Electron Tubes 12HL7 (RCA (RC30)) @ Franks Electron Tubes | |
MECHANICAL DATA
| Basing | 9BF |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | A |