• Country
• Germany

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

• Year
• 1954–1956

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 20545

• Number of Tubes
• 1

• Valves / Tubes
• EF40

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Labor W, VM41 - Sennheiser Electronic Labor W;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 260 x 85 x 80 mm / 10.2 x 3.3 x 3.1 inch

• Notes
• Vorverstärker für dynamische Mikrofone; Frequenzbereich 15-15000 Hz; Eingang 200 Ohm, 0,1 mV; Ausgang 100 kOhm.

• Net weight (2.2 lb = 1 kg)
• 2.2 kg / 4 lb 13.5 oz (4.846 lb)

• Price in first year of sale
• 188.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1954/55 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 295 models, 280 with images and 135 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel