Country | United States of America (USA) |
---|---|
Manufacturer | Federated Purchaser, Inc. (Acratone, Acratest); New York City (NY) |
Model | Acratest 199 - Federated Purchaser, Inc. |
Year: 1933 | Category: Audio Amplifier |
Valves | 8: 57 57 56 56 46 46 80 80 |
Technology | Audio-Amplification |
Power type | AC / 220 Volt |
Source | Book: rider Vol: 6 Page: 2 |
Type | Configuration | Year | Base | Equivalents |
---|---|---|---|---|
57 | Pentode | 1932 | UX6 | CV612 BT5 |
57 | Pentode | 1932 | UX6 | CV612 BT5 |
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 |
80 | FW Rectifier | 1936 | UX4 | 4274A CV617 VT80 |
80 | FW Rectifier | 1936 | UX4 | 4274A CV617 VT80 |