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acratest 108 schematic circuit diagram download

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CountryUnited States of America (USA)
ManufacturerFederated Purchaser, Inc. (Acratone, Acratest); New York City (NY)
Year 1934 ? Audio Amplifier or -mixer
Valves5: 57 57 2B6 2B6 83
TechnologyAudio-Amplification; 2 AF stage(s)
Power typeAC
ModelAcratest 108 - Federated Purchaser, Inc.
Circuit diagram referenceRider's Perpetual, Volume 5 = ca. 1934 and before