• Country
• Italy

• Manufacturer / Brand
• GBC; Milano

• Year
• 1960 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 324523

• • alternative name: Gian Bruto Castelfranchi

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

• Number of Transistors
• 3

• Semiconductors
• 2N19 2N18 2N18

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 2.5 W (unknown quality)

• from Radiomuseum.org
• Model: TR3 - GBC; Milano

• Mentioned in
• -- Original-techn. papers.

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

• Other Models

• Here you find 557 models, 430 with images and 247 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GBC; Milano