• Country
• Czechoslovakia

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

• Year
• 1975 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 165792

• • Brand: Supraphon

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

• Number of Transistors
• 15

• Semiconductors

• 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: Millivoltmeter BM494 - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 320 x 160 x 220 mm / 12.6 x 6.3 x 8.7 inch

• Notes
• 12 voltage ranges: 1 mV - 300V.
  Frequency range 10 Hz - 1 MHz.

• Net weight (2.2 lb = 1 kg)
• 5.8 kg / 12 lb 12.4 oz (12.775 lb)

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

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

• Other Models

• Here you find 1832 models, 1139 with images and 643 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.