• Country
• Netherlands

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

• Year
• 1960

• Category
• Morse-Equipment & TTY, RTTY, TDD etc.

• Radiomuseum.org ID
• 231014

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

• Number of Transistors
• 1

• Semiconductors
• OC3

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries / 9 Volt

• Loudspeaker
• - only for Earphone!

• Power out
• 0.1 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Zoemertje C2 - Amroh NV Radio Bulletin

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• The pictures show how the A.F. oscillator can be built in a small metal cigar box. The OC3 can be replaced by almost any A.F. PNP transistor like the OC13, OC71 etc.. The oscillation frequency is around 1 kHz.

• Mentioned in
• Radio Blan edition C, 17 december 1960

• 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