• Year
  • 1935–1937
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 14856

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification; 1 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Loudspeaker + integr.Amplifier
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 150; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 4 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Fafner 4a - Grassmann, Peter, RFW, Radio-
  • Dimensions (WHD)
  • 270 x 290 x 220 mm / 10.6 x 11.4 x 8.7 inch
  • Notes
  • Endstufe kombiniert mit Lautsprecher Helios Dynamos 68.
  • Net weight (2.2 lb = 1 kg)
  • 11.5 kg / 25 lb 5.3 oz (25.33 lb)
  • Price in first year of sale
  • 220.00 RM !
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Röhren in FS-Bestückungstabellen

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