• Country
• Germany

• Manufacturer / Brand
• Körting-Radio; Leipzig, später Grassau

• Year
• 1937–1940

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 2465

• • alternative name: Dietz & Ritter GmbH, Dr.

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

• Number of Tubes
• 4

• Valves / Tubes
• AF7 AC2 AD1 AZ1

• Main principle
• Audio-Amplification

• 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
• 4.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: HSW II - Körting-Radio; Leipzig, später

• Shape
• Miscellaneous shapes - described under notes.

• Dimensions (WHD)
• 440 x 345 x 170 mm / 17.3 x 13.6 x 6.7 inch

• Notes
• Breitband-Verstärker für Wandmontage. Eingangs-Steuerspannung: 5 mV; Ausgangs-Impedanzen: 6/500/4000 Ohm.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Price in first year of sale
• 310.00 RM

• Source of data
• Handbuch WDRG 1937 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 815 models, 667 with images and 471 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Körting-Radio; Leipzig, später Grassau