• Country
• Germany

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

• Year
• 1955 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 105965

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

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

• Number of Tubes
• 1

• Valves / Tubes
• EC92

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Resonanzmeter I 709 - Grundig Radio-Vertrieb, RVF,

• Dimensions (WHD)
• 75 x 200 x 55 mm / 3 x 7.9 x 2.2 inch

• Notes
• Röhren-Grid-Dipp-Meter mit 4 Betriebsarten:
  (E)mpfänger, (G)itter Dipper, Absorptions(W)ellenmesser, Prüf(S)ender mit 50Hz moduliert.
  6 Resonanzkreise:
  100-250kHz, 250-500 kHz, 500-1200 kHz, 1,2-3 MHz, 3-8 MHz, 8-20 MHz.
  Gemeinschaftsgerät mit H&B.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Price in first year of sale
• 155.00 DM

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Hdb. für Rundfunk Phono Fernsehen 1957/58, Verlag Thiele, Helmstedt

• Author
• Model page created by Willi Ribbe. 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