| Country | United States of America (USA) |
|---|---|
| Manufacturer | Federated Purchaser, Inc. (Acratone, Acratest); New York City (NY) |
| Model | Acratest 196 - Federated Purchaser, Inc. |
| Year: 1936 | Category: Audio Amplifier |
| Valves | 7: 57 57 56 56 50 50 80 |
| Wave Bands | - without |
| Power type | AC / 115 Volt |
| Source | Book: rider Vol: 6 Page: 1 |
| 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 |
| 50 | Triode | 1937 | CV2533 | |
| 50 | Triode | 1937 | CV2533 | |
| 80 | FW Rectifier | 1936 | UX4 | 4274A CV617 VT80 |