• Year
  • 1921
  • Category
  • Amateur TRX: Transmitter/Receiver (and Transceiver)
  • Radiomuseum.org ID
  • 195829
    • alternative name: Lee De Forest Mfg.

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Transceiver; 1 AF stage(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Combination Set No. MS-1 - DeForest Radio Telephone &
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 0 x 9 x 0 inch / 0 x 229 x 0 mm
  • Notes
  • The DeForest "Transceiver" Combination Set No. MS-1 consisted of the following panels, a MP-100 Audion Control, A MP-200 Single Step Amplifier, MT-100 Tuner, OT-3 Transmitter all in a oak cabinet. The transmitter with 500 Volts plate B+ was capable of radiating 1/2 an ampere into and average amateur antennae on a wave length of 200-600 meters.
  • Net weight (2.2 lb = 1 kg)
  • 32 lb (32 lb 0 oz) / 14.528 kg
  • Price in first year of sale
  • 189.00 $
  • Literature/Schematics (1)
  • DeForest "Interpanel" Sets Catalogue "E"
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum