Audion Amplifier Type AM-2

Zenith Radio Corp.; Chicago, IL

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  • Year
  • 1920/1921
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 213290
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification; 2 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Audion Amplifier Type AM-2 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • The Audion Amplifier AM-2 is featured in the "Z-Nith" catalog "Long Distance Radio Apparatus", Chicago Radio Laboratory, Bulletin F-21 on page 17 with a price of $ 55.

    This Two-Step Audio Amplifier also appeared in the 1920 Chicago Radio Laboratory "Long Distance" Radio Apparatus on page 14 and was pre the Z-Nith name change. In 1920 this amplifier was available with either bayonet sockets or tublular Audion arrangement. The May 1920 dated price list had the AM-2 listed at $55.00 without bulbs or battery. 

  • Net weight (2.2 lb = 1 kg)
  • 25 lb (25 lb 0 oz) / 11.350 kg
  • Price in first year of sale
  • 55.00 $
  • Literature/Schematics (3)
  • 1919/1920 Chicago Radio Laboratories J-20 catalog page 14
  • Literature/Schematics (4)
  • "Z-Nith" catalog "Long Distance Radio Apparatus", Chicago Radio Laboratory, Bulletin F-21 on page 17
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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