• Country
• United States of America (USA)

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

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 32303

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7GT 1N5GT 1H5GT 1Q5GT

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1.4/90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Knight D-141 1.4 Volt Farm Radio - Allied Radio Corp. Knight,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 18.5 x 9.5 x 10.25 inch / 470 x 241 x 260 mm

• Notes
• Frequency range: 535-1720kHz. With 750-850h "AB" battery pack.This receiver was also sold as D-140 for $14.95 w/o batteries.

• Price in first year of sale
• 18.00 $

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 14 = 1944 = before 1943

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (1942 p. 28)

• 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)