• Country
• France

• Manufacturer / Brand
• GMR (G.M.R.), Georg, Montastier et Rouge; Montrouge, Paris

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 318282

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• Superheterodyne (common)

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

• Details
• Visual Tuning Indicator pre Eye

• Power type and voltage
• Line (AC, UC or DC not known)

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Echo 447 - GMR G.M.R., Georg, Montastier

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 430 x 530 x 240 mm / 16.9 x 20.9 x 9.4 inch

• Notes

• Réglage silencieux, indicateur visuel à ombre.

• Price in first year of sale
• 2,650.00 FRF

• Mentioned in
• -- Original prospect or advert (Dépliant GMR 1934-1935)

• Literature/Schematics (1)
• -- Original prospect or advert (L'Est Républicain, 05.05.1934)

• Other Models

• Here you find 130 models, 103 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from GMR (G.M.R.), Georg, Montastier et Rouge; Montrouge, Paris