• Country
• United States of America (USA)

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 60650

• • Brand: Ferrodyne

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

• Number of Tubes
• 4

• Valves / Tubes
• 6A7 6F7 41 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 16 cm = 6.3 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 1231 Troubador Ch= R-123 - Stewart Warner Corp.; Chicago

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 230 x 295 x 175 mm / 9.1 x 11.6 x 6.9 inch

• Notes
• Model 1231 uses chassis R123; mains supply 115 V (60 or 25-133 cycles) or 100-260 V (40-133 cycles, export model).

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• 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 5 = ca. 1934 and before

• Mentioned in
• Table Top Radios Vol. 1 Stein 98

• Literature/Schematics (1)
• -- Schematic (Rider's Perpetual, Volume 6)

• Literature/Schematics (2)
• Cathedral & Tombstone Radios (page 257.)

• 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)