• Country
• Switzerland

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

• Year
• 1951/1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12661

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

• Number of Tubes
• 7

• Valves / Tubes
• 6BA6 ECH42 EF41 EBC41 EM34 EL41 EZ40

• Main principle
• Superheterodyne (common); ZF/IF 471 kHz

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet. / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 71 - Niesen, Constructions

• Dimensions (WHD)
• 525 x 330 x 270 mm / 20.7 x 13 x 10.6 inch

• Price in first year of sale
• 545.00 SFr

• 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.

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• 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