• Country
• United States of America (USA)

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

• Year
• 1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 362883

• Number of Tubes
• 8

• Valves / Tubes
• 224 224 224 227 227 245 245 280

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Knight Mayfair 9111 - Allied Radio Corp. Knight,

• Shape
• Console, Highboy (legs > 50 %).

• Dimensions (WHD)
• 39.5 x 38.5 x 18.25 inch / 1003 x 978 x 464 mm

• Notes

• Price listed complete with tubes  and all accessories reqiured for its operation.

• Price in first year of sale
• 78.48 USD

• Mentioned in
• Allied Radio Catalog (Knight) (1930 catalog, page 10)

• Author
• Model page created by Glen Orriss. See "Data change" for further contributors.

• Other Models

• Here you find 1268 models, 933 with images and 681 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)