• Country
• Germany

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

• Year
• 1950/1951

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17251

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

• Number of Tubes
• 5

• Valves / Tubes
• UCH42 UAF42 UL41 UY41 UM4

• Main principle
• Superheterodyne (common); ZF/IF 472 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Ready for FM, has Broadcast, Long Wave, several Short Wave.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Super-Ultra TRS46W [UM4] - 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
• Tefi Super-Ultra - TRS46W.
  Permeabilitätsabstimmumg; vier KW-Bereiche; Wechselstromspeisung mit Autotrafo!
  Auch ohne UM4.

• Price in first year of sale
• 383.00 DM

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• 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