• Country
• Spain

• Manufacturer / Brand
• Cosmo S.A., Industrias; Granollers (Barcelona)

• Year
• 1977 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 338792

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

• Number of Transistors
• 20

• Semiconductors
• SC149 BC159 BD135 BD177 BD178

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 25 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Quadraphonic Adaptor SQ H-7900 - Cosmo S.A., Industrias;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 200 x 100 x 370 mm / 7.9 x 3.9 x 14.6 inch

• Notes

• El preamplificador tiene 16 transistores SC149

• Net weight (2.2 lb = 1 kg)
• 2.7 kg / 5 lb 15.2 oz (5.947 lb)

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

• Other Models

• Here you find 155 models, 79 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Cosmo S.A., Industrias; Granollers (Barcelona)