• Country
• Germany

• Manufacturer / Brand
• Bruns; Hamburg

• Year
• 1977/1978 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 125009

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

• Number of Transistors
• 5

• Semiconductors

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

• Tuned circuits
• 6 AM circuit(s)     9 FM circuit(s)

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

• Power type and voltage
• Line / Batteries (any type) / 220 / 6×1,5 Volt

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

• Power out
• 1.8 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TRK Stern Dynamic 2220IC - Bruns; Hamburg

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

• Dimensions (WHD)
• 275 x 175 x 82 mm / 10.8 x 6.9 x 3.2 inch

• Notes
• Piezofilter, AFC, Endstufe mit IC. Hergestellt bei Stern-Radio Berlin als Exportmodell des "Stern-Dynamic 2220 IC" (siehe dort)

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Source of data
• Handbuch VDRG 1977/1978

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 120 models, 112 with images and 34 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bruns; Hamburg