• Country
• Italy

• Manufacturer / Brand
• GBC; Milano

• Year
• 1959

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 118518

• • alternative name: Gian Bruto Castelfranchi

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

• Number of Transistors
• 6

• Semiconductors
• OC71 OC71 OC72 OC16 OC16 OC16

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries

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

• Power out
• 12 W (unknown quality)

• from Radiomuseum.org
• Model: SM1153 - GBC; Milano

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 260 x 120 x 120 mm / 10.2 x 4.7 x 4.7 inch

• Notes
• Transistors: 2× OC71, OC72, 3× OC16.

• Price in first year of sale
• 23,400.00 ITL

• Mentioned in
• GBC, Selezione di tecnica radio-tv, Dicembre 1959

• Author
• Model page created by Alessandro De Poi. See "Data change" for further contributors.

• Other Models

• Here you find 419 models, 297 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GBC; Milano