• Country
• Germany

• Manufacturer / Brand
• Braun; Frankfurt

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1261

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

• Number of Tubes
• 6

• Valves / Tubes
• ECH11 EBF11 EF11 CL4 EM11 CY1 EUXIII or EUXX or EUVII or EUIX or EUVI

• Main principle
• Superheterodyne (common); ZF/IF 488 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• AC/DC-set / 110-240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6740GW - Braun; Frankfurt

• Dimensions (WHD)
• 620 x 330 x 300 mm / 24.4 x 13 x 11.8 inch

• Notes
• variable Bandbreite

• Net weight (2.2 lb = 1 kg)
• 15 kg / 33 lb 0.6 oz (33.04 lb)

• Price in first year of sale
• 275.00 RM

• Source of data
• Handbuch WDRG 1939 / Radiokatalog Band 1, Ernst Erb

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 1061 models, 931 with images and 651 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun; Frankfurt