• Year
  • 1925–1927
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 3805

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: N2a - Nora, Aron, Heliowatt; Berlin
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 150 x 130 x 150 mm / 5.9 x 5.1 x 5.9 inch
  • Notes
  • Erb,S.413(?)4Knöpfe(N2=3Kn)
  • Net weight (2.2 lb = 1 kg)
  • 1.2 kg / 2 lb 10.3 oz (2.643 lb)
  • External source of data
  • Ernst Erb, HB9RXQ
  • Picture reference
  • Eine Abbildung findet sich im Doppelband "Radios von gestern"

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