• Country
• Switzerland

• Manufacturer / Brand
• Witmer, Dr. K., Elektronik AG; Erlenbach

• Year
• 1972 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 346626

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 50 Hz, 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Power supply TF 500/0,2 L - Witmer, Dr. K., Elektronik AG;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 210 x 135 x 315 mm / 8.3 x 5.3 x 12.4 inch

• Notes

• Power Supply TF 500/0,2 L
  Ausgang: 0-500 VDC, 200 mA
  Netzleistung: 280 VA

  Einzelne Prints scheinen identisch mit Modell TF 72/4, nämlich STT 72-1; STT 73; STT 74
  aber z.T. mit abweichenden Bauteil-Werten, besonders STT 73.

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

• Author
• Model page created by Otto Hauser. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Witmer, Dr. K., Elektronik AG; Erlenbach