Tube Substitutions for:
12BH7A
Medium Mu Duo Triode
| Type | Substitutes | Base Diagram |
|---|---|---|
| 12BH7A | 12DW7, 12AU7, 12AZ7, 12BH7*† |  |
| Notes: | * - Parallel filaments † - Series circuit no controlled warm-up | |
| Web References | 12BH7A (Tung-Sol) @ Franks Electron Tubes 12BH7A @ RadioMuseum.org | |
Medium Mu Duo Triode
MECHANICAL DATA
| Basing | 9A |
ELECTRICAL DATA
HEATER CHARACTERISTICS
| Heater Voltage | 12.6/6.3 | Volts |
| Heater Current | 0.3/0.6 | A |