Type | Substitutes | Base Diagram |
---|---|---|
ECC803 | 12AD7*, 12AU7§, 12AU7A§, 12AX7A, 12AX7WA, 12BZ7*, 12DF7, 12DM7*, 12DT7, 5751*, 5751WA*, 6681, 7025, 7025A, 7494, 6057 | |
Notes: | * - Parallel filaments | |
Web References | ECC803 (JJ) @ Franks Electron Tubes ECC803 @ RadioMuseum.org |
Basing | 9A |