Stradivari 40 EF70

Sondyna AG; Zürich-Effretikon

  • Year
  • 1939/1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 13582

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 472 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 25 cm = 9.8 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stradivari 40 EF70 - Sondyna AG; Zürich-Effretikon
  • Price in first year of sale
  • 495.00 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.
  • Picture reference
  • Das Modell ist im «Radiokatalog» (Erb) abgebildet.

 Collections | Museums | Literature

 Forum