• Country
• United States of America (USA)

• Manufacturer / Brand
• Spiegel Inc. (Continental); Chicago

• Year
• 1939/1940 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 59783

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

• Number of Tubes
• 8

• Valves / Tubes
• 6A7 6D6 75 76 6U5 41 41 80

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aircastle 7004 - Spiegel Inc. Continental;

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 20.5 x 11.5 x 9 inch / 521 x 292 x 229 mm

• External source of data
• Ernst Erb

• Mentioned in
• Table Top Radios Vol. 4 Stein 2003 (page 39)

• Literature/Schematics (1)
• Rider's Perpetual, Volume 15 = 1947 and before (Spiegel pages 9 and 10)

• Other Models

• Here you find 1279 models, 552 with images and 1043 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Spiegel Inc. (Continental); Chicago