• Country
• Germany

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

• Year
• 1934–1936

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 2394

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

• Number of Tubes
• 5

• Valves / Tubes
• REN904 REN904 RES964 RES964 RGN1064

• 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
• 7.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Kraftverstärker HKW7,5 - Körting-Radio; Leipzig, später

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 340 x 310 x 170 mm / 13.4 x 12.2 x 6.7 inch

• Notes
• Kraftverstärker "für mittlere Räume", Gegentakt.
  Ausgänge: "Dynamisch" 6 Ohm, "Leitung" 500 Ohm.
  Preis ohne Röhren 345,- RM.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Price in first year of sale
• 392.00 RM

• Source of data
• Katalog Radio-Zentrale Alex v. Prohaska 1935/1936 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Katalog Hugo Preller Leipzig, 1935

• Literature/Schematics (1)
• Körting-Mitteilungen, Heft 4-5, August 1934

• Other Models

• Here you find 809 models, 660 with images and 462 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Körting-Radio; Leipzig, später Grassau