• Country
• Switzerland

• Manufacturer / Brand
• Sondyna AG; Zürich-Effretikon

• Year
• 1947 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106337

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

• Number of Tubes
• 7

• Valves / Tubes
• ECH21 7A7 7A6 7B4 EM34 6V6 AZ21

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

• Tuned circuits
• 6 AM circuit(s)

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

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 220; 250 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

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

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

• Dimensions (WHD)
• 503 x 360 x 355 mm / 19.8 x 14.2 x 14 inch

• Notes
• Kurzwellenlupe/Shortwave fine tuning.

• Net weight (2.2 lb = 1 kg)
• 17 kg / 37 lb 7.1 oz (37.445 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