Q Meter BM211A

• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1949 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 164631

• • Brand: Supraphon

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Tubes
• 6

• Valves / Tubes
• UBL21 6AL5 or 6B32 ECH21 ECH21 AZ11 AZ11 12TA31 12TA31

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 120; 220 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Q Meter BM211A - Tesla; Praha, Bratislava etc.

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Notes

• Measured Q value 0 - 150; 0 - 450 in 6 frequency ranges 30 kHz - 30 MHz.
  C measuring range 0,1 pF - 450 pF, calculated 400 pF - 0,1 µF.
  L measuring range 0,06 µH - 0,6 H.

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Gabriel Toth. See "Data change" for further contributors.

• Other Models

• Here you find 1838 models, 1159 with images and 668 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.