• Year
  • 1956/1957
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 117064
    • alternative name: Grundig Portugal || Grundig USA / Lextronix

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 460/10700 kHz; 2 AF stage(s); Export model
  • Tuned circuits
  • 8 AM circuit(s)     12 FM circuit(s)
  • Wave bands
  • Broadcast, 2 Short Wave plus FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / 60 Hz, 110-120 / DEAC D3,5 or 1,5 & 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.15 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: FM-Concert-Boy 57 USA - Grundig Radio-Vertrieb, RVF,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 430 x 250 x 180 mm / 16.9 x 9.8 x 7.1 inch
  • Notes
  • USA-Version des UKW-Concert-Boy 57. UKW 88-108 MHz, keine Langwelle dafür 2× Kurzwelle (Marineband MB 1,5-4 MHz, Kurzwelle SW 6-16 MHz). Frequenzskala ohne Stationsnamen.
    The "FM-Concert-Boy 57 USA" is the US version of the domestic "UKW-Concert-Boy 57": FM 88-108 Mc, SW 6-16 Mc, MB 1.5-4 Mc, BC 510-1600 kc, no long wave. Dial shows frequencies (no station names). See also this interesting article about a NiMH battery for this set.

  • Net weight (2.2 lb = 1 kg)
  • 7.8 kg / 17 lb 2.9 oz (17.181 lb)
  • Author
  • Model page created by Bernhard Nagel. See "Data change" for further contributors.

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The model FM-Concert-Boy 57 USA is part of the collections of the following members.

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