Micro-Boy 300a

• Country
• Germany

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

• Year
• 1973–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 28911

• • 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
• 6

• Semiconductors

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Micro-Boy 300a - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 70 x 110 x 30 mm / 2.8 x 4.3 x 1.2 inch

• Notes

• 1 Diode; Gehäusefarben: Weiss, Rot, Schwarz. 

  In Katalogen und Prospekten nur als Micro-Boy 300 bezeichnet.

  Siehe auch Grundig Micro-Boy 300 mit Batteriebestückung 1 x 9 V.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Price in first year of sale
• 25.00 DM

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1973/1974

• Mentioned in
• Handbuch VDRG 1974/1975 (und bis 1977/78)

• Literature/Schematics (1)
• Radio es Televizio Vevö keszülekek 1972-75

• 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