• Country
• France

• Manufacturer / Brand
• RD Radio, Éts. R. Dehay et Cie; Charenton

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33883

• • Brand: Grivox

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

• Number of Tubes
• 5

• Valves / Tubes
• 57 58 57 47 80

• Main principle
• Superheterodyne (common); ZF/IF 125 kHz

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: RD5-50 [avec 57] - RD Radio, Éts. R. Dehay et Cie

• Notes

• Ce modèle existe en version plus moderne, avec lampe 2A6 au lieu de la 2e 57, avec anti-fading.

• External source of data
• Serge Laffont/Martin Renoth

• Mentioned in
• Schémathèque Toute la Radio (STR) (No. 82)

• Other Models

• Here you find 53 models, 33 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RD Radio, Éts. R. Dehay et Cie; Charenton