4 Channel Stereophonic Music System EF-275 Quadroeffect

Bettor, Industrias; Barcelona

  • Year
  • 1976
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 246062

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

 Technical Specifications

  • Number of Transistors
  • 12
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Changer (Record changer); Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 125; 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 24 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4 Channel Stereophonic Music System EF-275 Quadroeffect - Bettor, Industrias; Barcelona
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 402 x 100 x 307 mm / 15.8 x 3.9 x 12.1 inch
  • Notes
  • Industrias Bettor, S.A., 4 Channel Stereophonic Music System EF-275

    Hifi Solid State Unit Amplifier - Quadroeffect

    Outputs: 2+2 Loudspeakers, Phones
    Ext. Input: Tuner
    Controls: Volume, Treble and Bass
    Record changer:  Dual 1225

    Listados los transistores de un canal.

  • Net weight (2.2 lb = 1 kg)
  • 11 kg / 24 lb 3.7 oz (24.229 lb)

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