• Country
• France

• Manufacturer / Brand
• Radio L.L. (Lucien Levy, LL Radio), S.A.E.D.R.A., Douglas; Paris

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 62735

• • alternative name: LL || Radio LL

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 42 80

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 130; 150; 220; 250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 19 cm = 7.5 inch

• Power out
• 2.6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Supervox 537A Ch= 3751 - Radio L.L. Lucien Levy, LL

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

• Dimensions (WHD)
• 390 x 300 x 240 mm / 15.4 x 11.8 x 9.4 inch

• Notes

• 3 gammes d'ondes : OC de 19 à 55 m, PO de 200 à 580 m, GO de 1000 à 2000 m. Anti-fading. Lampe cadran: 1 x 6.5 V / 0.3 A.

  Modèle spécial pour 25 à 50 périodes, supplément 50 Fr.
  Prix en 1937: 1.395 Fr. et 1.495 Fr.

• Net weight (2.2 lb = 1 kg)
• 9.5 kg / 20 lb 14.8 oz (20.925 lb)

• Price in first year of sale
• 1,150.00 FRF

• External source of data
• Serge Laffont/Martin Renoth

• Circuit diagram reference
• La Documentation du Revendeur - Radio

• Mentioned in
• Schémathèque Sorokine (SRK) (No. 444)

• Literature/Schematics (1)
• -- Original prospect or advert (L'Intransigeant, 05.09.1936)

• Other Models

• Here you find 376 models, 266 with images and 75 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio L.L. (Lucien Levy, LL Radio), S.A.E.D.R.A., Douglas; Paris