• Country
• Switzerland

• Manufacturer / Brand
• Ryser, G; Flawil

• Year
• 1926 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 30877

• Number of Tubes
• 7

• Valves / Tubes
• A409 A410 A409 H406 A409 A415 B409

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 4 & ? Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: 7-Röhren-Superhet - Ryser, G; Flawil

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 680 x 230 x 245 mm / 26.8 x 9.1 x 9.6 inch

• Notes
• Ähnlich wie der Metadyn von Carma Winterthur.

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ryser, G; Flawil