• Country
• United States of America (USA)

• Manufacturer / Brand
• Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX

• Year
• 1938

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 43861

• Number of Tubes
• 20

• Valves / Tubes
• 1851 1851 1851 1851 6L7 6L7 6K6 6K7 6K7 6L7 6L7 6J5 6J5 6H6 6H6 6H6 6H6 6J7 6J5 6J5

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Wave bands
• Broadcast, Short Wave(s) and Police.

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

• Loudspeaker
• - For headphones or amp.

• Power out
• 10 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Skyrider Diversity DD-1 [Prototype] - Hallicrafters, The; Chicago,

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

• Notes
• Coverage: 0.540-1.5, 1.5-4.2, 4-10, 10-20, 20-36, 34-46MHz, seperate Power Supply and Audio Chassis, 20 Tubes are in the tuner, missing Rectifier,AF-Out and one 6J5 Tubes are in the seperate Powerpack and Audio-Amplifier

• External source of data
• Ernst Erb

• Source of data
• Communications Receivers

• Circuit diagram reference
• Rider's Perpetual, Volume 10 = 1939 and before

• Other Models

• Here you find 921 models, 471 with images and 519 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hallicrafters, The; Chicago, IL and Arlington/Grand Prairie, TX