• Year
  • 9999/9999
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 234477
    • alternative name: Lee De Forest Mfg.

 Technical Specifications

  • Number of Tubes
  • 3
  • Valves / Tubes
  • Main principle
  • TRF without regeneration; 2 AF stage(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 6 & 16.5 & 18 & 19.5 & 21 & 22.5 & 67.5 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Dublette with ID=37102 - DeForest Radio Telephone &
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • Combination: Tuner MT-200 & Detector MP-100 & 2 x Amplifier MP-200.

    Tuner wavelength: 150 to 27000 meters.

     

  • Literature/Schematics (1)
  • Radio Digest Illustrated, 1922 May 27, p. 5

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