• Country
• Germany

• Manufacturer / Brand
• Tefi-Apparatebau; Porz bei Köln

• Year
• 1948/1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17242

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 472 kHz

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 17 cm = 6.7 inch

• Power out
• 4 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tefi-Super TSK446W - Tefi-Apparatebau; Porz bei

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 550 x 350 x 240 mm / 21.7 x 13.8 x 9.4 inch

• Notes

• Gemeinschaftsempfänger britische Zone.

  Baugleiches Gerät mit Bakelitgehäuse siehe Tefi TSS446W

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Das Rundfunk-Jahr 1948/49 / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Tefifon, Das; Herbert Jüttemann

• Other Models

• Here you find 113 models, 101 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tefi-Apparatebau; Porz bei Köln