• Country
• Germany

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

• Year
• 1964 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 145834

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

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

• Number of Tubes
• 7

• Valves / Tubes
• ECC85 ECH81 EAF801 ECC83 EM87 ECC81 ELL80

• Number of Transistors

• Semiconductors
• OA172 OA172 OA150

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

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

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

• Power type and voltage
• Alternating Current supply (AC) / AC 220 volts after conversion, normally 115 = 110 up to 125 Volt

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4070U/Stereo or U/st - Grundig Radio-Vertrieb, RVF,

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 610 x 275 x 200 mm / 24 x 10.8 x 7.9 inch

• Notes
• Grundig 4070U/Stereo;
  US export version with different coverage, tubes given with stereo decoder (ECC81). Power consumption 50 Watts. Tuning Ranges: FM 87 - 108 MHz, SW II 8.6 - 22.5 MHz, SW I 3.15 - 8.8 MHz, BC 510 - 1620 kHz. We count 6 tuned circuits for AM (two gang tuning condenser) but the folder tells 7. Built in FM antenna and Ferrite Antenna for BC. Tone balance, loudness compensated volume control. German domestic models see Konzertgerät 4070 Stereo.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• 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