• Country
• United States of America (USA)

• Manufacturer / Brand
• Colonial Radio Co.; Long Island and Buffalo, NY

• Year
• 1945

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 209225

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 28 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Dynamotor DA-3A - Colonial Radio Co.; Long

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Size: Length 305 mm, Diameter 128 mm
  Input 28 V/10,5 A
  High Voltage Output 300 VDC/0,26 A
  Medium Voltage Output 150 VDC/0,01 A
  Low Voltage Output 14,5 VDC/5,0 A
  Used during WW2 in Aircraft.

• Net weight (2.2 lb = 1 kg)
• 9.7 kg / 21 lb 5.9 oz (21.366 lb)

• Author
• Model page created by Rudolf Osterkamp. See "Data change" for further contributors.

• Other Models

• Here you find 165 models, 75 with images and 131 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Colonial Radio Co.; Long Island and Buffalo, NY