• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

• Year
• 1960/1961

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 72923

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

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

• Number of Tubes
• 1

• Valves / Tubes
• DM71

• Number of Transistors
• 7

• Semiconductors

• Details
• Tape Recorder

• Power type and voltage
• Storage and/or dry batteries / 9 Volt

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

• Power out
• 2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Columbia TK1 - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 120 x 180 x 300 mm / 4.7 x 7.1 x 11.8 inch

• Notes
• Zweispurtechnik, Spulen-Ø 8 cm, Bandgeschwindigkeit 9,5 cm/s.; Mikrofon GM1.
  Hergestellt in Dunedin, Irland, für USA-Export.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Price in first year of sale
• 249.00 DM

• Source of data
• -- Original-techn. papers.

• Other Models

• Here you find 6212 models, 5442 with images and 4209 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern