• Year
  • 1939/1940
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 72040
    • alternative name: Dietz & Ritter GmbH, Dr.

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Audio-Amplification; 4 AF stage(s)
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 150; 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 75 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: HKBW75 - Körting-Radio; Leipzig, später
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 540 x 400 x 160 mm / 21.3 x 15.7 x 6.3 inch
  • Notes
  • Breitband-Gegentakt-B Verstärker für Wandmontage; 3 Eingänge, Ausgang 70/140 Ohm.
  • Net weight (2.2 lb = 1 kg)
  • 25 kg / 55 lb 1.1 oz (55.066 lb)
  • Price in first year of sale
  • 992.00 RM
  • Author
  • Model page created by Michael Seiffert. See "Data change" for further contributors.

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