• Country
• Germany

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

• Year
• 1965/1966

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 112044

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

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC83 ECC83 EL84 EL84 EL84 EL84

• Number of Transistors

• Semiconductors
• BYY35 BYY35 BYY35 BYY35 BAY18

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220; 240 Volt

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

• Power out
• 30 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: NF20 - Grundig Radio-Vertrieb, RVF,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 245 x 140 x 220 mm / 9.6 x 5.5 x 8.7 inch

• Notes

• Stereo-NF-Verstärker mit 2 Gegentakt-Endstufen je 15 W.
  Zum Anschluss an Stereo-Rundfunkempfangsteil HF10L.

  Vorgänger: NF2

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Source of data
• Handbuch VDRG 1965/1966

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

• Other Models

• Here you find 6208 models, 5434 with images and 4205 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