• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1948/1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1280

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

• Number of Tubes
• 4

• Valves / Tubes
• ECH4 ECH4 EBL1 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 5 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220; 240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 14 cm = 5.5 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4547W - Braun; Frankfurt

• Dimensions (WHD)
• 390 x 255 x 175 mm / 15.4 x 10 x 6.9 inch

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Source of data
• Das Rundfunk-Jahr 1948/49 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Funkschau (4811)

• 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