• Country
• United States of America (USA)

• Manufacturer / Brand
• Young & McCombs; Rock Island, Illinois

• Year
• 1920

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

• Radiomuseum.org ID
• 194698

• Main principle
• Crystal or Solid State Detector

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Unit Sectional Cabinet Receiver YM-9 Crystal Detector - Young & McCombs; Rock Island,

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

• Notes
• The Young & McCombs Unit Sectional Cabinet Receiver consisted of three separate pieces. The YM-7A or the YM-7B Tuner, YM-9 Crystal Detector or the optional YM-4E Detector and the YM-5E Audio Amplifier. All units were supplied in a quarter sawed oak cabinet with "Early English" finish. This set with proper honeycomb coils is operative over a wavelength range of from 150 to 20,000 meters.
  This is the Young & McCombs YM-9 Crystal Detector complete with test buzzer and battery.

• Price in first year of sale
• 25.00 $

• Literature/Schematics (1)
• Info from Nov. 1920 Radio News Young & McCombs ad

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

• Other Models

• Here you find 6 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Young & McCombs; Rock Island, Illinois