• Country
• United States of America (USA)

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

• Year
• 1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 61409

• • Brand: Ferrodyne

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• 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
• Line / Batteries (any type) / AC/DC 117 / 67.5 & 7,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Power out
• 0.06 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 9153-A Turnabout - Stewart Warner Corp.; Chicago

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 9.5 x 6.9 x 4.8 inch / 241 x 175 x 122 mm

• Notes
• Selenium Rectifier

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Price in first year of sale
• 39.95 USD

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 21, Copyright 1950

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 11, 1951

• Literature/Schematics (2)
• Machine Age to Jet Age II (page 292.)

• Other Models

• Here you find 2122 models, 398 with images and 1980 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Stewart Warner Corp.; Chicago (IL)