• 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
• 32320

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

• Number of Tubes
• 14

• Valves / Tubes
• 6SK7 6SA7 6AC7 6AC7 6U5 6H6 6H6 6SJ7 6SJ7 6SJ7 6J5 6V6G 6V6G 5Y3G

• Main principle
• Superhet with RF-stage; ZF/IF 4300/465 kHz; 2 AF stage(s)

• Wave bands
• Broadcast, 2 Short Wave plus FM or UHF.

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Power out
• 6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Knight D-197 FM-AM Phono-Radio [6V6 output] - Allied Radio Corp. Knight,

• Shape
• Console with Push Buttons.

• Dimensions (WHD)
• 36 x 36 x 17.25 inch / 914 x 914 x 438 mm

• Notes
• Built-in loop antenna & record changer. Frequency ranges: 540-1720kHz, 2.7-7.5 & 7-22MHz (AM), 41-50MHz (FM).

• Price in first year of sale
• 118.00 $

• 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. 24)

• Other Models

• Here you find 1035 models, 638 with images and 680 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)