Country | United States of America (USA) |
---|---|
Manufacturer | Federated Purchaser, Inc. (Acratone, Acratest); New York City (NY) |
Model | Acratest 37 - Federated Purchaser, Inc. |
Year: 1935 | Audio Amplifier |
Valves | 7: 53 53 56 56 46 46 5Z3 |
Wave Bands | - without |
Power Type | AC / 110 Volt |
Source | Book: Rider Vol: 6 Page: 1 |
Type | Configuration | Year | Base | Equivalents |
---|---|---|---|---|
53 | Double Triode | 1936 | CV2535 | |
53 | Double Triode | 1936 | CV2535 | |
56 | Triode | 1932 | UX5 | 256 A256 C56 CV611 ER56 G56 PH256 PH56 VT56 |
56 | Triode | 1932 | UX5 | 256 A256 C56 CV611 ER56 G56 PH256 PH56 VT56 |
46 | Dual Grid Amplifier | 1933 | UX5 | CV2531 |
46 | Dual Grid Amplifier | 1933 | UX5 | CV2531 |
5Z3 | FW Rectifier | 1936 | UX4 | 22S200A 4274A CV1861 |