• Country
• United States of America (USA)

• Manufacturer / Brand
• Modern Radio Equipment Co.; Elizabeth, NJ

• Year
• 1920

• Category
• Radio module pre 1926 (not a part, not a key)

• Radiomuseum.org ID
• 195176

• Number of Tubes
• 3

• Valves / Tubes
• UV200 UV201 UV201

• Main principle
• Detector with Vacuum Tube (Valve), no tuner; 2 AF stage(s)

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Detector Unit and Two Stage Amplifier Type HBA - Modern Radio Equipment Co.;

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

• Notes
• The Modern Radio Equipment Type HBA Detector and Two-Stage Audio Amplifier consisted of the HBD detector with two added sated of audio amplification.

• Price in first year of sale
• 75.00 $

• Literature/Schematics (1)
• July 1920 Radio News advertisement page 55

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

• Other Models

• Here you find 2 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Modern Radio Equipment Co.; Elizabeth, NJ