• Country
• Germany

• Manufacturer / Brand
• Metra Mess- und Frequenztechnik Radebeul

• Year
• 1965–1975 ??

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 222036

• Number of Transistors
• 19

• Semiconductors

• Main principle
• Audio-Amplification; 4 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack / 1x 9 / 9 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: Niederfrequenzfilter VF3 - Metra Mess- und

• Dimensions (WHD)
• 340 x 230 x 70 mm / 13.4 x 9.1 x 2.8 inch

• Notes
• Betriebsart:
  - Linear
  - Bandpass
  - Bandsperre
  - Hochpass
  - Tiefpass
  

  ---

  regelbar:
  - Frequenz von 0 - 50 kHz
  - Verstärkung -20 dB bis +20 dB
  - Güte Q von 0,7 bis 100

• Author
• Model page created by Horst Bressel. See "Data change" for further contributors.

• Other Models

• Here you find 12 models, 11 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Metra Mess- und Frequenztechnik Radebeul