• Country
• Germany

• Manufacturer / Brand
• Monacor, Bremen

• Year
• 1980 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 126995

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Verstärker-Mikrofon CH233 - Monacor, Bremen

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Keramisches Verstärker-Mikrofon mit Roger Piep und PTT-Taste, Frequenzbereich 300 bis 5000 Hz, Empfindlichkeit 1-5 mV / µbar/1 kHz, Impedanz 3,5 kOhm, Rufton ca. 1 kHz.

• Mentioned in
• Funkschau (3.1980)

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 169 models, 163 with images and 99 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Monacor, Bremen