• Country
• Switzerland

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

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 110144

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

• Number of Tubes
• 6

• Valves / Tubes
• EK2 EF9 EBC3 EL3 EM1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: TS51A - Jura; La Chaux-de-Fonds

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

• Dimensions (WHD)
• 540 x 310 x 210 mm / 21.3 x 12.2 x 8.3 inch

• Notes

• • 3 Band reception:

    • LW: 708 - 2000 m.
    • BC: 186 - 585 m.
    • SW: 16,7 - 51 m.

    Tuning  scale lamps: 2 x 8045 (6,3V / 0,32A)

  See also the equivalent model Siera S51A.

• Net weight (2.2 lb = 1 kg)
• 12.3 kg / 27 lb 1.5 oz (27.093 lb)

• Author
• Model page created by Lukas Faoro. See "Data change" for further contributors.

• 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)