• Country
• Germany

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

• Year
• 1963 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 107356

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

• Number of Transistors
• 4

• Semiconductors
• AC107 AC107 AC107 AC107

• Main principle
• Audio-Amplification

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: NF-Vorverstärker VB1 - Grundig Radio-Vertrieb, RVF,

• Dimensions (WHD)
• 108 x 35 x 38 mm / 4.3 x 1.4 x 1.5 inch

• Notes
• Spannungsverstärkung: 100-fach; Frequenzgang: 5 Hz - 30 kHz.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (1)
• Funk-Technik (FT) (12/1963, S. 427 / Messebericht)

• Author
• Model page created by Hugo Sneyers. See "Data change" for further contributors.

• 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