• Country
• Denmark

• Manufacturer / Brand
• HNF, Hede Nielsens Fabrikker; Horsens

• Year
• 1959 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 219173

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

• Number of Tubes
• 7

• Valves / Tubes
• 6973 6973 6973 6973 ECC83 ECC83 GZ34

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stereo 212 - HNF, Hede Nielsens Fabrikker;

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 520 x 215 x 200 mm / 20.5 x 8.5 x 7.9 inch

• Notes
• This amplifier is equal to Arena Stereo but with different brand.

• Author
• Model page created by Bo Soerensen. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 1 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from HNF, Hede Nielsens Fabrikker; Horsens