• Year
  • 1923/1924
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 333864
    • alternative name: Balkeit || First National
    • Brand: Overtone

 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 Audio Amplifier Type P-2 - Fansteel Products Pfanstiehl,
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 8 x 7 x 8 inch / 203 x 178 x 203 mm
  • Notes
  • 1923 PFANSTIEHL MODEL P-2 two-stage audio amplifier using UV201A tubes. 
    This amp was also available as the P-1 dry cell set using UV199 tubes.

    This amp apparently was also sold under the Pfanstiehl label as well as the very similar Montgomery Ward Two-Stage Amplifier that Montgomery Ward marketed this along with the Ultra Airline receiver

  • Price in first year of sale
  • 15.00 $
  • Mentioned in
  • -- Original prospect or advert (1924 Montgomery Ward Radio catalog page 6)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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