Music-Boy 400

• Country
• Germany

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

• Year
• 1971–1973

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 28596

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

• Picture
• Schematics

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

• Number of Transistors
• 12

• Semiconductors
• BF255 BF241 BF241 BF241 BF240 BF241 BC308 BC238 BC238 AC187 AC188 BC238

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

• Tuned circuits
• 7 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 110-220 / 2x4,5; 9V Volt

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

• Power out
• 1.5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Music-Boy 400 - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 280 x 171 x 73 mm / 11 x 6.7 x 2.9 inch

• Notes

• Ausgangsleistung bei Netzbetrieb: 3 W. Gerät gestattet ohne Umschaltung den Betrieb an Wechselstromnetzen von 110-220V.

  Parallelgerät zum Minerva Minervox N und Lumophon herz-as-N

• Net weight (2.2 lb = 1 kg)
• 2.1 kg / 4 lb 10 oz (4.626 lb)

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1971/1972

• Mentioned in
• Handbuch VDRG 1972/1973

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

• Other Models

• Here you find 6211 models, 5439 with images and 4208 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