• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Sales & Service Corporation; Chicago

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 235162

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: F.R.L. Audio Amplifier - Radio Sales & Service

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• F.R.L. Audio Amplifier.

  Two-stage A.F. amplifier.

   

   

• Price in first year of sale
• 44.00 $

• Literature/Schematics (1)
• Radio Digest Illustrated, 1922 Jul. 08, p. 15

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Sales & Service Corporation; Chicago