• Year
  • 1929
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 202888
    • Brand: Radiobell

 Technical Specifications

  • Number of Tubes
  • 3
  • Valves / Tubes
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 150; 200 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: AD-5224 - Bell Telephone Mfg. Co.
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Source of data
  • -- Original prospect or advert

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