• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Service & Mfg. Co.; New York City, New York

• Year
• 1922

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 196581

• Number of Tubes
• 1

• Valves / Tubes
• UV201

• 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).

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: One Stage Amplifier Midget Type Amplifier - Radio Service & Mfg. Co.; New

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

• Dimensions (WHD)
• 4.5 x 4.5 x 4.5 inch / 114 x 114 x 114 mm

• Notes
• The Radio Service & Mfg. Co. Midget Type One-Stage Audio Amplifier.

• Price in first year of sale
• 10.00 $

• Literature/Schematics (1)
• December 1922 Radio News advertisement. page 1148

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

• Other Models

• Here you find 6 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Service & Mfg. Co.; New York City, New York