• Country
• United States of America (USA)

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

• Year
• 1942

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 328608

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SJ7 6SJ7 6SC7 6SC7 6L6G 6L6G 5U4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105 - 117 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 30 W (35 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Knight Sound Products 30S - Allied Radio Corp. Knight,

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

• Dimensions (WHD)
• 16.75 x 10.25 x 9.375 inch / 425 x 260 x 238 mm

• Notes

• PA amplfier. Inputs: 2x Micro + Phono.

  Price in 1942 without tubes = $28.95

• Price in first year of sale
• 33.75 $

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (1942, page 73)

• Author
• Model page created by Gottfried Silberhorn. 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)