• Country
• Italy

• Manufacturer / Brand
• Telefunken Italia, Milano

• Year
• 1960 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 159134

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

• Number of Transistors
• 7

• Semiconductors
• OC613 OC612 OC612 OC602 OC604 OC604spez OC604spez OA79 OA79

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Power out
• 0.3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Sprint R261 - Telefunken Italia, Milano

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 22 x 14 x 7 mm / 0.9 x 0.6 x 0.3 inch

• Notes

• Supereterodina con controllo automatico di volume.
  Onde medie da 520 a 1620 kHz.

  Due diodi al germanio OA 79.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Eduard Abfalterer. See "Data change" for further contributors.

• Other Models

• Here you find 288 models, 243 with images and 201 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Italia, Milano