• Country
• Italy

• Manufacturer / Brand
• GBC; Milano

• Year
• 1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 113860

• • alternative name: Gian Bruto Castelfranchi

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

• Number of Transistors
• 6

• Semiconductors
• OC44 OC45 OC45 OC71 OC72 OC72

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 2x6 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: AR/20 - GBC; Milano

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

• Dimensions (WHD)
• 200 x 120 x 50 mm / 7.9 x 4.7 x 2 inch

• Notes
• Alimentatore da rete opzionale.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Price in first year of sale
• 16,300.00 ITL

• Source of data
• Guida Pratica Antique Radio (1) 1999

• Mentioned in
• Antique Radio Magazine - Italy, Club Antique Radio Magazine (n. 100, marzo-aprile 2011)

• Literature/Schematics (1)
• -- Schematic (Schemario di Apparecchi a Transistori Vol. 3° R. Rosati)

Radio a transistor italiane in scatola di montaggio: GBC e altre (Gentile concessione L.Salvatore/ARM)

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• Documents regarding this model

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

• Other Models

• Here you find 446 models, 324 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GBC; Milano