Auto Radio 40

Federated Purchaser, Inc. (Acratone, Acratest); New York City (NY)

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  • Year
  • 1933
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 40450

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 175 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 2.5 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Auto Radio 40 - Federated Purchaser, Inc.
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 7.5 x 10.25 x 7.5 inch / 191 x 260 x 191 mm
  • Notes

  • The radio model 40 from Federated Purchaser Inc. uses the tube 75 which was released to the market in 1933.

    The model 40 is an automobile radio and Federated advertised it as a boat radio as well.

  • Net weight (2.2 lb = 1 kg)
  • 25 lb (25 lb 0 oz) / 11.350 kg
  • Price in first year of sale
  • 29.95 USD
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Literature/Schematics (1)
  • 1935 Federated Purchaser catalog page 12.

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