• Country
• United States of America (USA)

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

• Year
• 1957 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 271667

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

• Number of Tubes
• 4

• Valves / Tubes
• 6SN7GT 6SN7GT 6V6GT 5Y3GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Guitar Amplifier

• Power type and voltage
• Alternating Current supply (AC) / 50 - 60 Hz, 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Lectrolab R-400 - Spiegel Inc. Continental;

• Shape
• Tablemodel, with any shape - general.

• Notes

• The Lectrolab R-400 is an AC operated 4 tube Audio Amplifier.  Has 3 input channels that can be used simultaneously.

• Mentioned in
• Photofact Folder, Howard W. SAMS (Set 351, Folder 9, Date 3-57)

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• 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