• Country
• United States of America (USA)

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

• Year
• 1940 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 32160

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

• Number of Tubes
• 4

• Valves / Tubes
• 1C7 1D5_octal 1H6 1G5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: Knight 4 B10520 [6V] - Allied Radio Corp. Knight,

• Notes

• Sync vibrator for +B

  Not to be confused with the Knight 4 B10520 [AB Battery].

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Other Models

• Here you find 1228 models, 892 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)