• Country
• United States of America (USA)

• Manufacturer / Brand
• Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)

• Year
• 1957–1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 272197

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 1

• Semiconductors

• Main principle
• TRF without regeneration; 1 AF stage(s); none

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1.5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Knight-Kit "Trans-Midge" 83 Y767 - Allied Radio Corp. Knight,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 2.6 x 3.6 x 1.3 inch / 66 x 91 x 33 mm

• Notes

• This simple radio uses a single transistor which detects and amplifies the signal. The unit is tuned by a movable powdered core with the coil. An external antenna is required.

  The circuit is described in "Understanding Transistors - Allied's handbook of transistor electronics", 1959 (1960 printing), by Milton S. Kiver. See pictures.

• Net weight (2.2 lb = 1 kg)
• 0.4 lb (0 lb 6.4 oz) / 0.182 kg

• Price in first year of sale
• 2.45 US dollars

• Mentioned in
• Allied Radio Catalog (Knight) (Allied's Handbook of Transistor Fundamentals 1959, Ed. 1960)

• Author
• Model page created by David Barker. See "Data change" for further contributors.

• Other Models

• Here you find 1031 models, 633 with images and 672 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Allied Radio Corp. (Knight, Roamer, Wextark); Chicago (IL)