• Country
• Netherlands

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

• Year
• 1960

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

• Radiomuseum.org ID
• 128852

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

• Number of Transistors
• 1

• Semiconductors
• 2N408

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 2 x 4,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch

• Power out
• 0.1 W (unknown quality)

• from Radiomuseum.org
• Model: Step by Step Ausbaustufe 4 - Amroh NV Radio Bulletin

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 250 x 100 x 60 mm / 9.8 x 3.9 x 2.4 inch

• Notes
• Die dritte NF-Stufe für Lautsprecherwiedergabe und großem Gehäuse als Erweiterung des Diodenempfängers mit den zwei NF-Stufen (Ausbaustufe 1, 2 und 3).

• Mentioned in
• Funkschau (FS 1960 Heft 16 S.411/412)

• Author
• Model page created by Günther Stabe † 19.8.20. 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