• Country
• Germany

• Manufacturer / Brand
• Hartmann & Braun AG; Frankfurt

• Year
• 1963 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 105498

• • Brand: Elima

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: NF-Vorverstärker VB1 - Hartmann & Braun AG; Frankfurt

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 33 x 35 x 108 mm / 1.3 x 1.4 x 4.3 inch

• Notes
• Zusatzgerät zum Oszilloskop oder RVM. Spannungsverstärkung 40 dB.

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

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 220 models, 207 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hartmann & Braun AG; Frankfurt