Bajazzo-Transistor 3991L

• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1960/1961

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4035

• Picture
• Schematics

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

• Number of Transistors
• 9

• Semiconductors
• OC615 OC615 AF105 AF105 AF105 OC602 OC604 OC604spez OC604spez OA172 OA172 OA174 OA174

• Main principle
• Superheterodyne (common); ZF/IF 460/6750 kHz

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

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 6 × 1,5 Volt

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

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Bajazzo-Transistor 3991L - Telefunken Deutschland TFK,

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

• Dimensions (WHD)
• 300 x 185 x 95 mm / 11.8 x 7.3 x 3.7 inch

• Notes

•  

  Wellenbereiche:

  • UKW: 87,5 - 100 MHz
  • MW: 510 - 1620 kHz
  • LW: 150 - 270 kHz

  Ovallautsprecher 130 x 75 mm, Impedanz 4 Ohm. Auch Einsatz von DEAC NiCd-Zellen BD1 möglich (keine Ladefunktion).

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Price in first year of sale
• 275.00 DM

• Source of data
• HdB d.Rdf-& Ferns-GrH 1960/61 / Radiokatalog Band 1, Ernst Erb

• Mentioned in
• - - Manufacturers Literature

• Other Models

• Here you find 3559 models, 3144 with images and 2111 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH