• Country
• Germany

• Manufacturer / Brand
• Teladi; Düsseldorf

• Year
• 1950–1952

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 19128

• • alternative name: Diederichs & Kühlwein

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SN7 6SN7 6L6 6L6 EZ12

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: NF-Verstärker TKV20NB - Teladi; Düsseldorf

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 420 x 300 x 250 mm / 16.5 x 11.8 x 9.8 inch

• Notes
• Der NF-Verstärker TKV20NB von Diederichs & Kühlwein, Teladi hat 2 Eingänge; Ausgang 63 V/200 Ohm; Frequenzgang 30-12000 Hz. Siehe auch Modell TKV20B.

• Net weight (2.2 lb = 1 kg)
• 21.5 kg / 47 lb 5.7 oz (47.357 lb)

• Price in first year of sale
• 1,050.00 DM

• External source of data
• Erb

• Source of data
• Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Kat.d.Rundf.GrossH.1951/52

• Literature/Schematics (1)
• Funk-Technik (FT) (2/1951, S. 32 / Vorstellung)

• Other Models

• Here you find 105 models, 64 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Teladi; Düsseldorf