• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1950

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 106011

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

• Number of Tubes
• 2

• Valves / Tubes
• EAF42 EF40 STV70/6 STV150/15

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Labor W, Tonfrequenz-Röhrenvoltmeter RV5 - Sennheiser Electronic Labor W;

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

• Dimensions (WHD)
• 260 x 195 x 95 mm / 10.2 x 7.7 x 3.7 inch

• Notes

• Messbereiche: 6/20/60/200/600 mV, 2/6/20/60/200/600 V. Zusätzlich NF-Verfolger (externer LS oder Kopfhörer nötig).

  Das Tonfrequenz-Röhrenvoltmeter RV5 wurde im Rahmen des Artikels "Aus der Arbeit des Labor W." in der A.R.T., August 1950, auf S. 231 vorgestellt.

• Net weight (2.2 lb = 1 kg)
• 3.6 kg / 7 lb 14.9 oz (7.93 lb)

• Mentioned in
• Die Allgemeine Rundfunk-Technik (8/1950, S.230f.)

• Author
• Model page created by Willi Ribbe. See "Data change" for further contributors.

• Other Models

• Here you find 292 models, 277 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel