• Country
• Netherlands

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

• Year
• 1959

• Category
• Kit (Parts plus instruction) or building instructions only

• Radiomuseum.org ID
• 135818

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

• Number of Transistors
• 1

• Semiconductors
• SO1_Sprague

• Main principle
• Radio Frequency Amplification only

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 4,5 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Ferrietantenne Versterker UN-55 - Amroh NV Radio Bulletin

• Shape
• Chassis only or for «building in»

• Notes
• Ferrit-Antenne mit elektrostatischer Abschirmung, abstimmbar und drehbar, eingebauter HF-Verstärker. Enthält 1 HF-Transistor, Typ SO1, der Firma Amroh. Zur Empfangs-Verbesserung eines Röhren-Empfängers.

• Literature/Schematics (1)
• - - Manufacturers Literature (Electronicus, "Nieuwe Transistorschakelingen", Bussum: De Muiderkring 1959, p.45-47.)

• Author
• Model page created by Aren van Waarde. 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