Tube Substitutions for:
12SW7
Duplex Diode - Medium Mu Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12SW7 | 12SQ7, 12SR7, 12SW7GT, 12SR7GT |  |
| Web References | 12SW7 (RCA (HB3)) @ Franks Electron Tubes 12SW7 (Tung-Sol) @ Franks Electron Tubes 12SW7 @ RadioMuseum.org | |
Duplex Diode - Medium Mu Triode
MECHANICAL DATA
| Basing | 8Q |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6 | Volts |
| Heater Current | 0.15 | A |