• Country
• Spain

• Manufacturer / Brand
• Vieta Audio Electrónica S.A.; Barcelona

• Year
• 1976 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 349508

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 125; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 4 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Amplificador cuadrafónico AT-421 - Vieta Audio Electrónica S.A.;

• Shape
• Book-shelf unit.

• Author
• Model page created by Toni Gutiérrez García. See "Data change" for further contributors.

• Other Models

• Here you find 82 models, 77 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Vieta Audio Electrónica S.A.; Barcelona