• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1970

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 351542

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

• Number of Transistors
• 32

• Semiconductors
• BC149 BC147 BFY51 BC301 BD124 AD139 BC108 BDY38 2N3442 BY174

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117; 122; 160; 220; 240 Volt

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

• from Radiomuseum.org
• Model: Amplificatori G1/4200 - G1/4202 - Geloso SA; Milano

• Notes

• Amplificatore monofonico con 4 ingressi microfonici preamplificati e con regolazioni indipendenti. Regolazione continua dei toni alti e bassi.

  32 Transistor, elencati uno per tipo, 18 Diodi, 12 Diodi raddrizzatori 8 dei quali BY174.

• Mentioned in
• -- Schematic

• Author
• Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

• Other Models

• Here you find 956 models, 803 with images and 724 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Geloso SA; Milano