• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1964

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 240854

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

• Number of Transistors
• 10

• Semiconductors
• AF121 AF125 AF126 AF126 AF126 AC162 AC162 TF65 AC151 AC127

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; 4 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)     8 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Batteries / addl. power jack / 2 x 4,5 / 9 Volt

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

• from Radiomuseum.org
• Model: BT1542TI - Tonfunk GmbH; Karlsruhe

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

• Notes

• Kofferradio für Batteriebetrieb mit 2 Flachbatterien je 4,5 Volt; Anschlussbuchse für ein 9-Volt-Netzteil, eingebaute Teleskop- und Ferritantenne. Eisenlose NF-Komplementär-Endstufe mit PNP- und NPN-Endtransistor.

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Heiko zur Mühlen. See "Data change" for further contributors.

• Other Models

• Here you find 570 models, 333 with images and 239 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tonfunk GmbH; Karlsruhe