• Country
• Italy

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

• Year
• 1965 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 113628

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

• Number of Tubes
• 5

• Valves / Tubes
• EF94 EL90 ECC82 12BH7 EZ80

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 110-280 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Generatore BF EM33 - Unaohm Start, Ohm, E.

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 160 x 240 x 340 mm / 6.3 x 9.4 x 13.4 inch

• Notes
• The EM33 is a sine wave audio frequency generator, covering from 20 Hz to 20 kHz in three ranges. The generator includes a Wien Bridge oscillator, capacitor tuned and amplitude stabilized with a filament lamp, and a push-pull, transformer coupled, power amplifier.

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• Source of data
• - - Data from my own collection

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Emilio Ciardiello. See "Data change" for further contributors.

• 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