• Country
• Switzerland

• Manufacturer / Brand
• Schuler, Xaver; Brunnen

• Year
• 1923–1926

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 13518

• • Brand: Alaphon

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Alaphon J3 - Schuler, Xaver; Brunnen

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 15 models, 3 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Schuler, Xaver; Brunnen