• Year
  • 1916
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 309265
    • alternative name: Lee De Forest Mfg.

 Technical Specifications

  • Number of Tubes
  • 1
  • Main principle
  • Audio-Amplification
  • 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: Audion Amplifier EJ-1 - DeForest Radio Telephone &
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 240 x 180 x 170 mm / 9.4 x 7.1 x 6.7 inch
  • Net weight (2.2 lb = 1 kg)
  • 3.7 kg / 8 lb 2.4 oz (8.15 lb)

 Collections | Museums | Literature

Collections

The model Audion Amplifier EJ-1 is part of the collections of the following members.

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