• Country
• Spain

• Manufacturer / Brand
• Herfor; Radioelectrónica Fortuny; Barcelona

• Year
• 1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 128958

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

• Number of Transistors
• 7

• Semiconductors
• OC170 OC169 OC169 OA79 OC75 OC71 OC74 OC74

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 4 × 1,5 Volt

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

• Power out
• 0.5 W (unknown quality)

• from Radiomuseum.org
• Model: Marathon - Herfor; Radioelectrónica

• Notes
•  

• Source of data
• -- Schematic

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 25 models, 23 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Herfor; Radioelectrónica Fortuny; Barcelona