• Country
• France

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

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 265430

• Number of Tubes
• 5

• Valves / Tubes
• 6A7 6D6 75 42 80

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 220; 245 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Echo NP75 - GMR G.M.R., Georg, Montastier

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

• Dimensions (WHD)
• 39 x 395 x 240 mm / 1.5 x 15.6 x 9.4 inch

• Mentioned in
• Le grand livre de la TSF (Doctsf Ref. 19692)

• Author
• Model page created by Claude Boulet. See "Data change" for further contributors.

• 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