NF-Telefonrundspruch T2S E446

• Country
• Switzerland

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

• Year
• 1933–1936

• Category
• Wired Receiver (AF only)

• Radiomuseum.org ID
• 25440

• Picture
• Schematics

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

• Number of Tubes
• 3

• Valves / Tubes

• 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; 250 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: NF-Telefonrundspruch T2S [E446] - Autophon AG inkl. Téléphonie

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

• Dimensions (WHD)
• 380 x 340 x 255 mm / 15 x 13.4 x 10 inch

• Notes

• Zenithschalter; PTT-Sammelpr. 1936 zu 250.-- Variante mit HP4100 (E446 RENS1284) plus PP4101 (E443N, RES964) und PV4100 (1803, RGN1064).

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 290.00 SFr.

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• 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