• Year
  • 1923
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 36558

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: IV - Crosley Radio Corp.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 11.5 x 6 x 5 inch / 292 x 152 x 127 mm
  • Notes
  • This model employs a separate Multistat for each tube, hence prmitting any mix of tubes. The Multistat is a rheostat with two different sections: from the "off" position the first 55% swing got 24.5 Ohms (for dry battery tubes) and the remaining 55% swing got ca. 3 Ohms (for storage battery types).
    The Crosley IV 2-Stage Audio Amplifier was designed to match up uniformly with any of the Crosley receivers such as the V or the VI. The VI receiver and the IV 2-Step amplifier were electrically equivalent to the Crosley Model X. (VI+IV=X) or 6+4=10
  • Price in first year of sale
  • 18.00 $
  • External source of data
  • Ernst Erb

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