• Country
• Italy

• Manufacturer / Brand
• Geloso SA; Milano

• Year
• 1968

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 122890

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

• Number of Tubes
• 8

• Valves / Tubes
• EF89 ECC82 ECH81 EF89 EF89 6AL5 ECC81 ECL86 0A2

• Main principle
• Superhet with RF-stage; ZF/IF 1900 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 1 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Ricevitore G4/220 - Geloso SA; Milano

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 390 x 190 x 270 mm / 15.4 x 7.5 x 10.6 inch

• Notes
• Ricevitore professionale per onde corte e medie: OM 0,53-1,6 MHz; OC 2,2-6; 6-9; 9-13,8; 13,5-20,6; 20,5-30,5 MHz.
  5 raddrizzatori al silicio BY126, 1 diodo zener Z10, 1 diodo varicap BA102.
  Frequency coverage 0,53-30,5 MHz, Signal indicator, Controls: sensivity, CW pitch, volume, tone, tuning, bands selector.

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Price in first year of sale
• 769.00 DM

• Literature/Schematics (1)
• Bollettino Tecnico Geloso (n. 107 estate 1968)

• Author
• Model page created by Giuseppe Antonio Tusini. 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