• Country
• Netherlands

• Manufacturer / Brand
• Amroh NV (Radio Bulletin monthly), Muiden

• Year
• 1955

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 314250

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

• Number of Tubes
• 1

• Valves / Tubes
• ECC82

• Power type and voltage
• Powered by external power supply or a main unit. / DC 250 & AC 6,3 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: Zwevingsoscillator UN-41 - Amroh NV Radio Bulletin

• Shape
• Chassis only or for «building in»

• Notes

• Model UN-41 is a beat-frequency oscillator (BFO) for the reception of undamped telegraphy. It can also be used as I.F. trimming oscillator.

  External power supply voltages of 250 V DC and 6.3 V AC are needed.

• Mentioned in
• Radio Bulletin (October 1955)

• Author
• Model page created by Rob Majoor. See "Data change" for further contributors.

• Other Models

• Here you find 240 models, 208 with images and 231 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amroh NV (Radio Bulletin monthly), Muiden