• Country
• Germany

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

• Year
• 1957/1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 138012

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

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

• Number of Tubes
• 4

• Valves / Tubes
• DK96 DF96 DAF96 DF97

• Number of Transistors
• 3

• Semiconductors
• OC72 OC72 OC76

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Line / Batteries (any type) / 110; 125; 220 / 6 Volt

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

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor-Boy 57E - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 260 x 190 x 90 mm / 10.2 x 7.5 x 3.5 inch

• Notes
• Grundig Transistor-Boy 57E, ein hybrid-bestücktes Radio, ist die Exportversion des inländischen Transistor-Boy 57.
  Empfangsbereiche: MW, KW1 45...90m, KW2 25...45m, KW3 13...25m.
  Wegen der erweiterten Kurzwellenbänder ist noch eine zusätzliche Teleskopantenne eingebaut.
  Transistoren: 1x OC76 für Spannungswandler, 2x OC72 für Gegentakt- Endstufe.
  
  Grundig Transistor-Boy 57E, equipped with tubes and three transistors, is the export model of the domestic Transistor-Boy 57. Short wave reception from 90 to 13 meters in three ranges. Additional telescopic antenna for SW. Ferrite rod antenna for MW/BC.

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

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

• Author
• Model page created by Bernd Schmitz. See "Data change" for further contributors.

• Other Models

• Here you find 6212 models, 5442 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