• Country
• Switzerland

• Manufacturer / Brand
• Autophon AG (inkl. Téléphonie SA); Solothurn

• Year
• 1936/1937

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 11326

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

• Number of Tubes
• 6

• Valves / Tubes
• AF3 AK2 AF3 ABC1 AL1 AZ1

• Main principle
• Superhet with RF-stage; ZF/IF 471 kHz

• Tuned circuits
• 7 AM circuit(s)

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 19 cm = 7.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Rex-Medium K - Autophon AG inkl. Téléphonie

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

• Dimensions (WHD)
• 480 x 400 x 320 mm / 18.9 x 15.7 x 12.6 inch

• Notes

• Wellenbereiche:
  KW: 19 - 54 m
  MW: 200 - 600 m
  LW: 700 - 2000 m

  Gehäuse in Nussbaum.

  625/RD2533

  erste(?) Version (Fertigungsnummer 10276) mit anderer Skala  (Bezeichnung rechts im verdeckten Bereich): RD-1795/b  

  Das K im Modell-Name bedeutet Kurzwelle.

• Net weight (2.2 lb = 1 kg)
• 19 kg / 41 lb 13.6 oz (41.85 lb)

• 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.

• Mentioned in
• -- Original-techn. papers.

• Other Models

• Here you find 244 models, 187 with images and 148 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Autophon AG (inkl. Téléphonie SA); Solothurn