• Country
• Great Britain (UK)

• Manufacturer / Brand
• Portadyne, (Brand), Dynaport Radio & Television Co. Ltd. (Whittingham Smith, Kew); London

• Year
• 1945 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 195619

• Number of Tubes
• 5

• Valves / Tubes
• 6K8G 6K7G 6Q7G 25A6G 25Y5G

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• AC/DC-set / 115; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: U57 - Portadyne, Brand, Dynaport

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 482 x 290 x 204 mm / 19 x 11.4 x 8 inch

• Author
• Model page created by Nicolaas van Dijk. See "Data change" for further contributors.

• Other Models

• Here you find 74 models, 29 with images and 40 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Portadyne, (Brand), Dynaport Radio & Television Co. Ltd. (Whittingham Smith, Kew); London