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acratest 40 schematic circuit diagram download

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Country United States of America (USA)
ManufacturerFederated Purchaser, Inc. (Acratone, Acratest); New York City (NY)
Year 1933 ? Audio Amplifier or -mixer
Valves8: 57 57 56 56 46 46 80 80
Power type AC / 220 Volt
Model Acratest 199 - Federated Purchaser, Inc.
Circuit diagram referenceRider's Perpetual, Volume 6 = 1935 and before