• Country
• Switzerland

• Manufacturer / Brand
• Deso, Dewald & Sohn, Dewald AG; Zürich

• Year
• 1945/1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11894

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

• Number of Tubes
• 5

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ21 EM4

• Main principle
• Superheterodyne (common); ZF/IF 470 kHz

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 17 cm = 6.7 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 452C [mit Loktal-8 Röhren] - Deso, Dewald & Sohn, Dewald AG

• Dimensions (WHD)
• 520 x 312 x 221 mm / 20.5 x 12.3 x 8.7 inch

• Notes

• Aussehen wie 451B aber mit magischem Auge.

  Siehe auch 452C mit Aussenkontakt-8er Röhren.

• Net weight (2.2 lb = 1 kg)
• 9.4 kg / 20 lb 11.3 oz (20.705 lb)

• Price in first year of sale
• 490.00 SFr

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Die Tungsram-Tabellen führen das Modell auf.

• Literature/Schematics (1)
• -- Original-techn. papers.

• Other Models

• Here you find 183 models, 113 with images and 153 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Deso, Dewald & Sohn, Dewald AG; Zürich