• Country
• Germany

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

• Year
• 1973–1976

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 29231

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

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

• Number of Transistors
• 11

• Semiconductors
• BF314 BF241 BF241 BF240 BF241 BF241 BC309 BC238 BC238 AC187 AC188 AA112 AA112 AA112 BZ102/1V4 BZ102/2V1 ZW9,1

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz; 4 AF stage(s)

• 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) / 110-240 / 3R12: 2 x 4,5 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: Signal 500 - Grundig Radio-Vertrieb, RVF,

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

• Dimensions (WHD)
• 300 x 170 x 60 mm / 11.8 x 6.7 x 2.4 inch

• Notes

• NF-Ausgangsleistung bei Netzbetrieb = 3 W.

  Der Unterschied zum Modell Signal 500 E ist noch ungeklärt.

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• External source of data
• Erb

• Source of data
• Katalog RFP 1973

• Mentioned in
• Handbuch VDRG 1974/1975 (und 1975/76)

• Other Models

• Here you find 6212 models, 5442 with images and 4209 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