• Country
• Switzerland

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

• Year
• 1938/1939

• Category
• Wired Receiver (AF only)

• Radiomuseum.org ID
• 11330

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

• Number of Tubes
• 5

• Valves / Tubes
• AF7 AC2 AD1 AD1 AZ4

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Details
• Wired Wireless Receiver(AF only)

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 220; 250 Volt

• Loudspeaker
• 2 Loudspeakers / Ø 24 cm = 9.4 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: NF-Telefonrundspruch B50S - Autophon AG inkl. Téléphonie

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

• Dimensions (WHD)
• 620 x 340 x 255 mm / 24.4 x 13.4 x 10 inch

• Notes
• Thali gibt 5 Rö!

• Net weight (2.2 lb = 1 kg)
• 19.2 kg / 42 lb 4.7 oz (42.291 lb)

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Thali-Schemasammlung und Tungsram-Röhrenbestückung.

• Other Models

• Here you find 244 models, 187 with images and 148 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Autophon AG (inkl. Téléphonie SA); Solothurn