• Year
  • 1919–1921
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 196078
    • Brand: Ace

 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
  • from Radiomuseum.org
  • Model: Two-Stage Amplifier Type A-2 - Precision Equipment Co., Inc.;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 8.375 x 7.375 x 7 mm / 0.3 x 0.3 x 0.3 inch
  • Notes
  • The Precision Equipment Co. Type A-2 Two-Stage Amplifier was advertised in the November 1921 Radio News magazine.

    Room for the "B" batteries inside of the case. 

    The amp used the standard Marconi VT Class II hard vacuum tube. 

  • Price in first year of sale
  • 50.00 $
  • Mentioned in
  • - - Manufacturers Literature (1919/1920 Precision Equipment Company catalog)
  • Literature/Schematics (1)
  • November 1921 Radio News advertisement page 435
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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