• Country
• Germany

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

• Year
• 1966–1971

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 26748

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

• Number of Transistors
• 4

• Semiconductors
• AC161 AC161 AC151 AC151 OA126

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: VV303 - Sennheiser Electronic Labor W;

• Dimensions (WHD)
• 60 x 100 x 35 mm / 2.4 x 3.9 x 1.4 inch

• Notes
• 3-stufiger HiFi-Universal-Mikrofon-Vorverstärker für alle Sennheiser Mikrofone zum Anschluß an Leistungsstrahler VK303. Stromversorgung 35···40 V über 5 m langes Kabel aus Leistungsstrahler.

• Price in first year of sale
• 128.00 DM

• External source of data
• erb

• Source of data
• Handbuch VDRG 1966/1967 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Handbuch VDRG 1968/1969

• Literature/Schematics (1)
• Funk-Technik (FT) (11/1966, S. 410, 411 / Beschreibung, Schema)

• Other Models

• Here you find 298 models, 282 with images and 137 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel