• Country
• France

• Manufacturer / Brand
• Grandin, Cristal-Grandin (SFRT); Paris, Montreuil

• Year
• 9999/9999

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 302078

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Batteries / addl. power jack / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 0.6 W (unknown quality)

• from Radiomuseum.org
• Model: Doublet with ID=234874 - Grandin, Cristal-Grandin SFRT;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 200 x 240 x 90 mm / 7.9 x 9.4 x 3.5 inch

• Other Models

• Here you find 281 models, 207 with images and 81 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grandin, Cristal-Grandin (SFRT); Paris, Montreuil