• Country
• Italy

• Manufacturer / Brand
• Irradio; Milano

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 112144

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 50B5 35W4

• Main principle
• Superheterodyne (common); ZF/IF 467 kHz; 2 AF stage(s)

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 140; 160, 220 Volt

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

• Power out
• 4 W (unknown quality)

• from Radiomuseum.org
• Model: BK31 - Irradio; Milano

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Juan Ignacio Balada † 2009. See "Data change" for further contributors.

• Other Models

• Here you find 274 models, 201 with images and 121 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Irradio; Milano