• Country
• Switzerland

• Manufacturer / Brand
• Niesen, Constructions électriques et mécaniques (CEM); Neuchâtel

• Year
• 1949 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 217339

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

• Number of Tubes
• 6

• Valves / Tubes
• 7A7 7C5 7B6 7J7 EM34 7Z4

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 200; 220; 245 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Special 53 A - Niesen, Constructions

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

• Dimensions (WHD)
• 445 x 280 x 215 mm / 17.5 x 11 x 8.5 inch

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Source of data
• -- Schematic

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 81 models, 51 with images and 56 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Niesen, Constructions électriques et mécaniques (CEM); Neuchâtel