• Country
• United States of America (USA)

• Manufacturer / Brand
• Rooker & Barron MFG. Co. Newark, New Jersey

• Year
• 1923

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 191728

• Number of Tubes
• 2

• Valves / Tubes
• UV201A UV201A

• 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: 2-Stage Audio Amplifier KA - Rooker & Barron MFG. Co.

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

• Dimensions (WHD)
• 12 x 8 x 8.5 inch / 305 x 203 x 216 mm

• Notes
• Rooker & Barron Radio Amplifier Type K.A. 2-Stage Audio Amplifier. 12 ohm rheostats indicate a circa 1923 vintage using .25 Amp UV201A tubes.

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Rooker & Barron MFG. Co. Newark, New Jersey