• Country
• Germany

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

• Year
• 1970/1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71685

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

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

• Number of Transistors
• 28

• Semiconductors
• BF224 BF245 BF254 BF240 BF255 BF241 BC183 BC108 BC109 BC181 AD161 AD162

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     14 FM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Batteries / addl. power jack / 9 Volt

• Loudspeaker
• 4 Loudspeakers

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Stereo Concert-Boy Transistor 4000a stereo-solid-state [Skala ohne Sendernamen] - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 490 x 260 x 130 mm / 19.3 x 10.2 x 5.1 inch

• Notes

• Exportausführung des Stereo-Concert-Boy 210.

  Skala ohne Sendernamen.

  19 Dioden

  Transistoren sind 1x pro Type gelisted.

• Net weight (2.2 lb = 1 kg)
• 6.3 kg / 13 lb 14 oz (13.877 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Literature/Schematics (2)
• -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, marzo 1971.)

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 6208 models, 5433 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