• Country
• Germany

• Manufacturer / Brand
• Klein & Hummel; Stuttgart-Kemnat (Marke: K+H, Telewatt, Schwabenradio)

• Year
• 1955–1957

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 168832

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

• Number of Tubes
• 3

• Valves / Tubes
• ECC81 ECC81 DG7-31 or DG7-32

• Number of Transistors

• Semiconductors
• E500C2 E500C2 OA81

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Wobbel-Oszillograf Radiotest OS-5 - Klein & Hummel; Stuttgart-

• Shape
• Tablemodel, with any shape - general.

• Notes

• 
  Der 7 cm Oszillograf Radiotest OS-5 ist ein Zusatzgerät zum Wobbel-Messsender MS-5.
  Diode OA81 im Tastkopf.

• Mentioned in
• Lange, Schaltungen der Funkindustrie (Band 6, Seite 118)

• Literature/Schematics (1)
• Funk-Technik (FT) (22/1955, S. 651 / Neuvorstellung)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 161 models, 152 with images and 104 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Klein & Hummel; Stuttgart-Kemnat (Marke: K+H, Telewatt, Schwabenradio)