• Country
• France

• Manufacturer / Brand
• Grammont (Radiofotos, Fotos); Paris, Malakoff

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79267

• • alternative name: Radiofotos || Société des lampes Fotos

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

• Number of Tubes
• 5

• Valves / Tubes
• 6A8G 6K7G 6Q7G 6F6G 5Y3G

• 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; 220; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 21 cm = 8.3 inch

• Power out
• 2.6 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 725 - Grammont Radiofotos, Fotos;

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

• Dimensions (WHD)
• 450 x 360 x 200 mm / 17.7 x 14.2 x 7.9 inch

• Notes

• 3 gammes d'ondes : OC de 19 à 55 m, PO de 200 à 570 m, GO de 850 à 1950 m. Antifading agissant sur lampe MF. Lampes cadran : 2 x 7 V / 0.3 A.

  Ébénisterie chêne massif ciré patiné.

  Modèle pour 25 périodes sur demande, supplément 60 Fr.

  Prix en 1938 : 1140 Fr.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 1,095.00 FF

• Circuit diagram reference
• La Documentation du Revendeur - Radio

• Mentioned in
• -- Original prospect or advert (Art et Technique 1937)

• Other Models

• Here you find 162 models, 118 with images and 65 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grammont (Radiofotos, Fotos); Paris, Malakoff