• Country
• Worldwide

• Manufacturer / Brand
• Unknown to us - Worldwide

• Year
• 1992 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 270677

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Power type and voltage
• Dry Batteries / 2 x 1,5 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sound of Heaven MB 388 - Unknown to us - Worldwide

• Notes

• Micro Wireless

• Net weight (2.2 lb = 1 kg)
• 0.350 kg / 0 lb 12.3 oz (0.771 lb)

• Author
• Model page created by Manuel Albano Neves. See "Data change" for further contributors.

• Other Models

• Here you find 820 models, 753 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