• Country
• United States of America (USA)

• Manufacturer / Brand
• Central Radio Laboratories; CRL, Milwaukee (WI)

• Year
• 1925

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 202168

• • Brand: Centralab

• Number of Tubes
• 1

• Valves / Tubes
• UV201A

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

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

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

• from Radiomuseum.org
• Model: Tone Amplifier Model 100 - Central Radio Laboratories;

• Notes
• Central Radio Laboratories sold the Model 100 "Tone Amplifier" in 1925. It was a single stage audio amplifier.

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 6 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Central Radio Laboratories; CRL, Milwaukee (WI)