• Country
• United States of America (USA)

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

• Year
• 1939

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 334240

• Number of Tubes
• 9

• Valves / Tubes
• 6J7 6J7 6N7 6N7 6J5 6L6G 6L6G 6X5G 6X5G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 110 / 6 Volt

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

• Power out
• 30 W (unknown quality)

• Material
• Metal case

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

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

• Notes

• Mobile PA amplifier with 4 inputs: 2x Microphone + 2x Phono.
  Phono Top available.

• Price in first year of sale
• 71.43 $

• Literature/Schematics (1)
• Allied Radio Catalog (Knight) (1939, page 85)

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• 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)