• Country
• Switzerland

• Manufacturer / Brand
• Autophon AG (inkl. Téléphonie SA); Solothurn

• Year
• 1935/1936

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 11307

• Number of Tubes
• 1

• Valves / Tubes

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: L20 - Autophon AG inkl. Téléphonie

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

• Dimensions (WHD)
• 580 x 556 x 340 mm / 22.8 x 21.9 x 13.4 inch

• Notes

• LS mit Erregergleichrichter, Ausg:145/500/1000/2000 Ohm

• Net weight (2.2 lb = 1 kg)
• 34 kg / 74 lb 14.2 oz (74.89 lb)

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 242 models, 185 with images and 147 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Autophon AG (inkl. Téléphonie SA); Solothurn