• Country
• Worldwide

• Manufacturer / Brand
• Unknown to us - Worldwide

• Year
• 2000 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 261765

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Power type and voltage
• Dry Batteries / 1 x 9 & AAA: 1 x 1,5 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 0.1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: K & K Super Professional Microphone AT - 668 - Unknown to us - Worldwide

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Microphone & Transmitter & Receiver.

• Net weight (2.2 lb = 1 kg)
• 0.065 kg / 0 lb 2.3 oz (0.143 lb)

• Author
• Model page created by Edoardo Sigismondo. See "Data change" for further contributors.

• Other Models

• Here you find 828 models, 761 with images and 29 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown to us - Worldwide