• Country
• Switzerland

• Manufacturer / Brand
• Jura; La Chaux-de-Fonds (eigentlich Zürich)

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12122

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• ECH3 EF9 EBC3 CL4 CY1 C9

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• AC/DC-set / 125; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: J151U - Jura; La Chaux-de-Fonds

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

• Dimensions (WHD)
• 350 x 235 x 166 mm / 13.8 x 9.3 x 6.5 inch

• Notes
• 3 Band reception:
  • LW: 722 - 2000 m.
  • BC: 186 - 585 m.
  • SW: 16,5 - 51 m.
  Tuning scale light bulbs type: 8092D (10V, 200mA).
  Loudspeaker Philips type 9648 or 9676. No connectors for external loudspeaker or pick-up. 
   
  This model is comparable with Siera S151U and Philips 312H.
   
  Mains connected to the chassis !

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 101 models, 83 with images and 42 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jura; La Chaux-de-Fonds (eigentlich Zürich)