• Country
• Italy

• Manufacturer / Brand
• GBC; Milano

• Year
• 1958

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 324182

• • alternative name: Gian Bruto Castelfranchi

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

• Number of Tubes
• 1

• Valves / Tubes
• ECC82

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Preamplificatore SM4413 - GBC; Milano

• Shape
• Chassis only or for «building in»

• Notes

• Preamplicador junto al amplicador de potencia GBC_SM4412.

  Entradas Pick-up (LP; AES; RIAA), Tuner y Tape.

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

• Author
• Model page created by Toni Gutiérrez García. 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