• Country
• Switzerland

• Manufacturer / Brand
• Wach; Utzwil SG

• Year
• 1942/1943

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13800

• • Brand: Schwyzerland (auch Switzerland)

• Number of Tubes
• 4

• Valves / Tubes
• UCH21 UCH21 UBL21 UY1

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 110-230 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: Schwyzerland 143 - Wach; Utzwil SG

• Dimensions (WHD)
• 380 x 235 x 160 mm / 15 x 9.3 x 6.3 inch

• Notes
• 431 von Paillard in eig.Holzg.

• Net weight (2.2 lb = 1 kg)
• 5.3 kg / 11 lb 10.8 oz (11.674 lb)

• Price in first year of sale
• 335.00 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.

• Other Models

• Here you find 8 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wach; Utzwil SG