• Country
• Spain

• Manufacturer / Brand
• Herfor; Radioelectrónica Fortuny; Barcelona

• Year
• 1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 128982

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

• Number of Transistors
• 7

• Semiconductors
• AF115 AF117 AF117 OC75 OC75 OC74 OC74 OA79 OA79

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Power out
• 0.245 W (undistorted)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Spy TR-202 - Herfor; Radioelectrónica

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 125 x 74 x 37 mm / 4.9 x 2.9 x 1.5 inch

• Notes

• Curioso aparato que permite su uso como interfono, vigilante espía o audífono, además del propio de una radio portátil.

• 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