• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1145

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

• Number of Tubes
• 4

• Valves / Tubes
• RENS1284 REN914 RES164 RGN564

• Main principle
• TRF with regeneration; 1 Special; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kobold A, Dreiröhren-Einkreis-Empfänger W [4 Röhren ] - Braun; Frankfurt

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 330 x 415 x 250 mm / 13 x 16.3 x 9.8 inch

• Notes

• Halbkreis-Skala

  Einkreiser.  Wahlweise umschaltbar mit oder ohne Sperrkreis und REN914 als aperiodische HF-Vorstufe.

  Preis ohne Röhren, zusätzlich Röhrensatz Preis: 38,- RM

• Price in first year of sale
• 125.00 RM +

• Source of data
• Radio-Zentrale Prohaska 1933/34 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + Schenk

• Other Models

• Here you find 1067 models, 936 with images and 653 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt