• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1961/1962

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17434

• Number of Transistors
• 9

• Semiconductors
• OC171 OC171 OC170 OC170 OC170 OC71 OC75 OC74 OC74

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

• Tuned circuits
• 8 AM circuit(s)     11 FM circuit(s)

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 0.7 W (unknown quality)

• Material
• Bakelite case

• from Radiomuseum.org
• Model: BT62UKM - Tonfunk GmbH; Karlsruhe

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

• Dimensions (WHD)
• 280 x 190 x 85 mm / 11 x 7.5 x 3.3 inch

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

• Price in first year of sale
• 228.00 DM

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• HdB d.Rdf-& Ferns-GrH 1961/62 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 569 models, 332 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