• Country
• Germany

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

• Year
• 1965/1966

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 26078

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

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

• Number of Tubes
• 6

• Valves / Tubes
• ECC85 ECH81 EAF801 ECC83 EM87 ELL80

• Number of Transistors

• Semiconductors
• AA113 AA113 OA150 B250C100

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

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

• Wave bands
• Broadcast, 2 Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110-220 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Konzertgerät 4570U Stereo - Grundig Radio-Vertrieb, RVF,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 610 x 270 x 200 mm / 24 x 10.6 x 7.9 inch

• Notes

• Grundig 4570 U/Stereo is an export model for the U.S.A. The FM band covers the range from 88 to 108 MHz. SW1 (Short Wave 1) goes from 3.15 to 8.6 MHz and SW2 from 8.6 to 22 MHz. The BC/MW band covers the range from 515 to 1620 kHz. There is no LW band.

  The BC dial also has the triangle CD marks indicating the frequencies 640 and 1240 kHz for Civil Defense.

  A multiplex decoder model 6U can be retrofitted.

  U = US-Version with transformer for 60 cycles. Versions "polished" or "nature".

  See also the similar export model 4670 U/Stereo.

• Net weight (2.2 lb = 1 kg)
• 8.1 kg / 17 lb 13.5 oz (17.841 lb)

• External source of data
• erb

• Literature/Schematics (1)
• -- Schematic

• Other Models

• Here you find 6210 models, 5438 with images and 4207 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