• Country
• United States of America (USA)

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

• Year
• 1965

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 352746

• Number of Tubes
• 0

• Valves / Tubes
• 12AX7 6AV6 7189 7189 6CA4

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Knight 20 Watt Public Address System KN-3220A - Allied Radio Corp. Knight,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12.25 x 5 x 10.25 inch / 311 x 127 x 260 mm

• Notes

• PA amplifier, inputs: 1x Mic + 2x Aux.

• Net weight (2.2 lb = 1 kg)
• 25 lb (25 lb 0 oz) / 11.350 kg

• Price in first year of sale
• 42.50 USD

• Mentioned in
• Allied Radio Catalog (Knight) (1965, page 346)

• 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)