• Country
• United States of America (USA)

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

• Year
• 1941/1942

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 32299

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SA7 6SK7 6SQ7 6K6GT 6X5GT

• 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
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• Power out
• 1.6 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Knight D-130 Auto Radio - Allied Radio Corp. Knight,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 3.875 x 3.125 x 6.5 inch / 98 x 79 x 165 mm

• Notes
• vibrator for +B Frequency range: 535-1650kHz. Speaker in metal case 7" x 5" x 3 9/16".

• Price in first year of sale
• 17.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 1032 models, 634 with images and 674 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)