• Country
• Italy

• Manufacturer / Brand
• Unaohm Start, Ohm, E. Pontremoli; Milano

• Year
• 1953 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 330165

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

• Number of Tubes
• 2

• Valves / Tubes
• 6SL7 6X5 280/40 280/40

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 42-50 Hz: 110; 125; 145; 160; 220; 280 Volt

• Loudspeaker
• - - No sound reproduction output.

• from Radiomuseum.org
• Model: Megaohmetro GB200/A [2 valvole] - Unaohm Start, Ohm, E.

• Dimensions (WHD)
• 360 x 240 x 140 mm / 14.2 x 9.4 x 5.5 inch

• Notes

• Campo di misura: 0,3 a 5.000.000 MΩ
  Tensione di prova: 300 e 500 V
  Precisione di misura: 10%
  Portate: 6

  Il testo in Radio e Televisione cita i componenti "N. 2280, o stablizzatori al neon". Gli stabilizzatori sono identificati come (StV) 280/40, ma N2280 è al momento sconosciuto.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

• Mentioned in
• Radio e Televisione, No. 33, Marzo 1953

• Other Models

• Here you find 171 models, 147 with images and 72 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unaohm Start, Ohm, E. Pontremoli; Milano