• Country
• Switzerland

• Manufacturer / Brand
• Sondyna AG; Zürich-Effretikon

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89010

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1

• Main principle
• Superheterodyne (common)

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

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Musikus E4710E - Sondyna AG; Zürich-Effretikon

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 483 x 287 x 210 mm / 19 x 11.3 x 8.3 inch

• Net weight (2.2 lb = 1 kg)
• 8.6 kg / 18 lb 15.1 oz (18.943 lb)

• Source of data
• -- Collector info (Sammler)

• 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