• Year
  • 1922 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 305973

 Technical Specifications

  • Number of Tubes
  • 1
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 80 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Note Magnifier 227B - Marconi's Wireless Telegraph
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 90 x 250 x 340 mm / 3.5 x 9.8 x 13.4 inch
  • Notes
  • Extension module for the Marine Receiver 226B. The R tube was available in 1922, not before.

  • Net weight (2.2 lb = 1 kg)
  • 3.1 kg / 6 lb 13.3 oz (6.828 lb)

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The model Note Magnifier is part of the collections of the following members.

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