• Country
• Switzerland

• Manufacturer / Brand
• Walser, Conrad; Zürich

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 113295

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

• Number of Tubes
• 9

• Valves / Tubes
• 6K7G 6L7G 6J5G 6K7G 6U5 6J5G 6F5G 6F6G 5Y4G

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: unbekannt Ch= Zenith 5907A - Walser, Conrad; Zürich

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

• Dimensions (WHD)
• 590 x 350 x 320 mm / 23.2 x 13.8 x 12.6 inch

• Notes

• Import-Chassis mit Schweizer Gehäuse. Das US-Modell 9S324 hat den Lautsprecher 49-179 mit 8-Zoll-Lautsprecher, was 16 cm entspricht, 9S344 hat 49-251 mit 10 Zoll, 9S307, 9S367 und 9S369 führen den LS 49-249 mit 12 Zoll.
  3 Flipp-Skalen (Robot Dial) mit Frequenzen und deutschen Sendernamen, Schwungrad-Feintrieb 1:20 mit extra Zeiger und Skala 0 - 60. 8 Festsendertasten (MW); 6 Klangtasten.
   

• Author
• Model page created by Wilfried Haack. See "Data change" for further contributors.

• Other Models

• Here you find 21 models, 19 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Walser, Conrad; Zürich