• Country
• Germany

• Manufacturer / Brand
• Emud, Ernst Mästling; Ulm

• Year
• 1930 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 1517

• Number of Tubes
• 1

• Valves / Tubes
• RGN1054

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

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

• from Radiomuseum.org
• Model: Standard W - Emud, Ernst Mästling; Ulm

• Notes
• Lautsprecher

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 422 models, 328 with images and 231 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Emud, Ernst Mästling; Ulm