• Country
• Italy

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

• Year
• 1962 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 165575

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AT7 6AU6 0A2 6X4

• Main principle
• Superheterodyne (common)

• Wave bands
• Ready for FM but has not all AM bands (not LW MW SW).

• Power type and voltage
• Line / Batteries (any type) / AC 110; 280 / =12 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Misuratore di Campo EP-503A - Unaohm Start, Ohm, E.

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 210 x 310 x 130 mm / 8.3 x 12.2 x 5.1 inch

• Notes
• Power supply also from 12 V battery. Measures the signal received from the aerial to the receiver in micro or milli volts. IF= 10.5 MHz.

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

• Source of data
• - - Manufacturers Literature

• Author
• Model page created by Antonio Barros-Regada. See "Data change" for further contributors.

• Other Models

• Here you find 166 models, 142 with images and 71 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unaohm Start, Ohm, E. Pontremoli; Milano