• Country
• Germany

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

• Year
• 1962–1964

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 82525

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

• Number of Transistors
• 3

• Semiconductors

• Power type and voltage
• 8 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Kondensatormikrofon MKH 404 - Sennheiser Electronic Labor W;

• Dimensions (WHD)
• 20 x 132 x 0 mm / 0.8 x 5.2 x 0 inch

• Notes
• Kondensator-Studiomikrofon in Hochfrequenzschaltung (10 MHz-Oszi, kapaz. Modulation/ Demodulation nach Vergleich), Nieren-Charakteristik, f=20..20000 Hz, 2 mV/µBar, Eigengeräusch 10 µV, asymm. NF-Ausspeisung 800 Ohm, Kleintuchelanschluß (1: NF, 2: Masse, 3: -8 V),Betriebsstrom 5 mA; Netzspeiser MZN 4 (MZN 4/1 für 2 Stck.) oder Batterieadapter an Mikrofon MZA 6.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• -- Original prospect or advert

• Literature/Schematics (1)
• Funk-Technik (FT) (13/1962, S. 443, 444 / Beschreibung, Daten, Schema)

• Author
• Model page created by Ernst Erb. 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