• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi Scientific Instrument Co. LTD.,The; London

• Year
• 1922

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 309314

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Detector with Vacuum Tube (Valve), no tuner; 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, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Detector and Two-Step Amplifier Unit No. 8 - Marconi Scientific Instrument

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• Marconi Scientific Unit No. 8  Detector and two-stage audio amplifier.

• Mentioned in
• -- Original prospect or advert (1922 Marconi Scientific Instrument Co. catalog)

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 36 models, 36 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi Scientific Instrument Co. LTD.,The; London