• Country
• United States of America (USA)

• Manufacturer / Brand
• Arvin, brand of Noblitt-Sparks Industries

• Year
• 1946–1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33109

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SK7 12SA7 12SK7 12SQ7 35L6GT 35Z5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105 - 125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.3 inch = 13.5 cm

• Power out
• 0.8 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6640 Ch= RE-206-2 - Arvin, brand of Noblitt-Sparks

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• The Arvin Models 664 and 664A use the chassis RE-206-1, while here model 6640 employs the chassis RE-206-2 which differs by the loop assembly.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 17 = 1948 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 08, 1948 (SAMS Photofact Date 12-47, set 29, Folder 4719-2)

• Other Models

• Here you find 694 models, 484 with images and 550 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Arvin, brand of Noblitt-Sparks Industries