• Country
• Germany

• Manufacturer / Brand
• Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern

• Year
• 1992

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 180480

• • alternative name: Grundig Portugal || Grundig USA / Lextronix

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

• Number of Transistors
• 4

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Batteries / addl. power jack / 2 × 1,5 / 3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Beat Boy BB390 - Grundig Radio-Vertrieb, RVF,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 114 x 95 x 35 mm / 4.5 x 3.7 x 1.4 inch

• Notes
• Grundig Cassette Player/Recorder Beat Boy BB 390;
  Stereo headphones, record function, voice control,
  built-in monitor Speaker, built-in and external clip-on microphone.
  Made in Korea.

• Net weight (2.2 lb = 1 kg)
• 0.266 kg / 0 lb 9.4 oz (0.586 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 6208 models, 5434 with images and 4203 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grundig (Radio-Vertrieb, RVF, Radiowerke); Fürth/Bayern