• Country
• Germany

• Manufacturer / Brand
• Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben

• Year
• 1934/1935

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 14845

• Number of Tubes
• 3

• Valves / Tubes
• L495D L495D RGN1404

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Other Combination - see Notes; Loudspeaker + integr.Amplifier

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

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

• Power out
• 18 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Fafner 18 - Grassmann, Peter, RFW, Radio-

• Shape
• Chassis only or for «building in»

• Notes
• Gegentakt-Endstufe kombiniert mit Helios Lautsprecher "Mammut Spezial". Preise:
  Gerät ohne Röhren RM 473,50
  Röhrensatz RM 96,50
  Zwischentransformator RM 20,00
  

• Price in first year of sale
• 590.00 RM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Katalog Ch.Mank, Leipzig (undatiert, nach ~1934)

• Other Models

• Here you find 110 models, 75 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grassmann, Peter, RFW, Radio-Funk-Werkstätten; vor 1945, Berlin & Neuhaldensleben