• Country
• Switzerland

• Manufacturer / Brand
• Zellweger AG; Uster

• Year
• 1933 ?

• Category
• Wired Receiver (AF only)

• Radiomuseum.org ID
• 13826

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

• Number of Tubes
• 2

• Valves / Tubes
• APP4120 V495

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

• Details
• Wired Wireless Receiver(AF only)

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

• from Radiomuseum.org
• Model: NF-Telefonrundspruch 33 - Zellweger AG; Uster

• Notes
• 33=L414,V430, 2 Schemas!; NF-TR

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

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

• Other Models

• Here you find 80 models, 59 with images and 25 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zellweger AG; Uster