• Country
• Switzerland

• Manufacturer / Brand
• Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.

• Year
• 1932/1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 11449

• Number of Tubes
• 5

• Valves / Tubes

• Tuned circuits
• 3 AM circuit(s)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 50 - Bell Standard Telephon & Radio

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes

• [373244-1414]

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 11 models, 5 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bell Standard Telephon & Radio AG (STR), Telephone Manufacturing Co,; Zürich, Bern etc.