• Country
• Switzerland

• Manufacturer / Brand
• Sondyna AG; Zürich-Effretikon

• Year
• 1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104247

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 EAF41 EBC41 EL41 EM34 EZ40

• Main principle
• Superheterodyne (common)

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 14 cm = 5.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stradella E4912 - Sondyna AG; Zürich-Effretikon

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

• Dimensions (WHD)
• 470 x 270 x 210 mm / 18.5 x 10.6 x 8.3 inch

• Net weight (2.2 lb = 1 kg)
• 7.5 kg / 16 lb 8.3 oz (16.52 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Christian Schaufelberger. See "Data change" for further contributors.

• Other Models

• Here you find 177 models, 112 with images and 115 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sondyna AG; Zürich-Effretikon