• Country
• United States of America (USA)

• Manufacturer / Brand
• Stewart Warner Corp.; Chicago (IL)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61651

• • Brand: Ferrodyne

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 50B5 35W4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: A51T2 Ch= 9020-B - Stewart Warner Corp.; Chicago

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

• Dimensions (WHD)
• 240 x 140 x 100 mm / 9.4 x 5.5 x 3.9 inch

• Notes
• Color= Mahogany. (A51T3 is ivory plastic, A51T4 is ebony). Tuning 535 to 1600 kc. Built-in Radair antenna.

• External source of data
• Ernst Erb

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

• Mentioned in
• Beitman Radio Diagrams, Vol. 08, 1948 (Rider's Perpetual, Volume 20 Changes 13)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 17, Folder 477-32)

• Literature/Schematics (2)
• Radio Retailing (Radio & Television R.) (April 1947 page 43.)

• Other Models

• Here you find 2120 models, 397 with images and 1977 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)