• Country
• United States of America (USA)

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

• Year
• 1962

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 352838

• Number of Transistors
• 16

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 40 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Knight Transistor Amplifier KN-400B - Allied Radio Corp. Knight,

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 9.75 x 2.625 x 8 inch / 248 x 67 x 203 mm

• Notes

• Early solid-state integrated amplifier, stereo, with driver transformers;  matches the KN-250M tuner.

• Net weight (2.2 lb = 1 kg)
• 9 lb (9 lb 0 oz) / 4.086 kg

• Price in first year of sale
• 99.50 USD

• Mentioned in
• Allied Radio Catalog (Knight) (1962, page 9)

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

• 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)