• Country
• Switzerland

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

• Year
• 1939

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 11337

• Number of Tubes
• 7

• Valves / Tubes
• EF6 EF6 EF6 EL2 4683 4683 AX1

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Wired Wireless Receiver(AF only)

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

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: NV-205/IV - Autophon AG inkl. Téléphonie

• Dimensions (WHD)
• 380 x 290 x 260 mm / 15 x 11.4 x 10.2 inch

• Notes
• Type NV-205/IV: für Grammophon-, Mikrophon- und Telephonrundspruch-Verstärkung mit Mischmöglichkeit. Telefonrundspruch-Zusatz mit Zenith-Wähler gemäss den Vorschriften der PTT.

• Price in first year of sale
• 685.00 SFr

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• 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